| Place Name | County | Total ZIP Codes | Population (2021) |
|---|
| Abbot | Piscataquis County | 1 | 652 |
| Acton | York County | 1 | 2,641 |
| Addison | Washington County | 1 | 1,204 |
| Albion | Kennebec County | 1 | 2,331 |
| Alexander | Washington County | 3 | 502 |
| Alfred | York County | 1 | 588 |
|
| Alfred (town) | York County | 4 | 3,073 |
| Allagash | Aroostook County | 1 | 209 |
| Alna | Lincoln County | 1 | 743 |
| Alton | Penobscot County | 4 | 818 |
| Amherst | Hancock County | 4 | 280 |
|
| Amity | Aroostook County | 1 | 217 |
| Andover | Oxford County | 1 | 732 |
| Anson | Somerset County | 1 | 725 |
| Anson (town) | Somerset County | 6 | 2,555 |
| Appleton | Knox County | 5 | 1,480 |
| Argyle | Penobscot County | 2 | 224 |
| Arrowsic | Sagadahoc County | 3 | 507 |
| Arundel | York County | 3 | 4,253 |
| Ashland | Aroostook County | 1 | 813 |
| Ashland (town) | Aroostook County | 1 | 1,178 |
|
| Athens | Somerset County | 1 | 719 |
| Auburn | Androscoggin County | 1 | 23,104 |
| Augusta | Kennebec County | 1 | 19,088 |
| Aurora | Hancock County | 1 | 133 |
| Avon | Franklin County | 3 | 494 |
| Baileyville | Washington County | 1 | 1,464 |
| Baldwin | Cumberland County | 8 | 1,313 |
| Bancroft | Aroostook County | 2 | 51 |
| Bangor | Penobscot County | 1 | 32,988 |
| Bar Harbor | Hancock County | 1 | 2,508 |
|
| Bar Harbor (town) | Hancock County | 2 | 5,098 |
| Baring | Washington County | 4 | 238 |
| Bath | Sagadahoc County | 1 | 8,547 |
| Beals | Washington County | 1 | 467 |
| Beaver Cove | Piscataquis County | 2 | 190 |
| Beddington | Washington County | 1 | 32 |
| Belfast | Waldo County | 1 | 6,664 |
| Belgrade | Kennebec County | 1 | 3,218 |
| Belmont | Waldo County | 2 | 1,007 |
| Benton | Kennebec County | 3 | 2,707 |
| Berwick | York County | 1 | 2,431 |
| Berwick (town) | York County | 7 | 7,891 |
| Bethel | Oxford County | 1 | 667 |
| Bethel (town) | Oxford County | 6 | 2,511 |
| Biddeford | York County | 1 | 21,351 |
| Bingham | Somerset County | 1 | 765 |
| Bingham (town) | Somerset County | 2 | 765 |
| Blaine | Aroostook County | 1 | 307 |
| Blaine (town) | Aroostook County | 4 | 904 |
| Blanchard | Piscataquis County | 4 | 61 |
|
| Blue Hill | Hancock County | 1 | 727 |
| Blue Hill (town) | Hancock County | 3 | 2,796 |
| Boothbay | Lincoln County | 1 | 3,021 |
| Boothbay Harbor | Lincoln County | 1 | 936 |
| Boothbay Harbor (town) | Lincoln County | 4 | 2,073 |
| Bowdoin | Sagadahoc County | 1 | 3,147 |
| Bowdoinham | Sagadahoc County | 1 | 481 |
| Bowdoinham (town) | Sagadahoc County | 4 | 3,042 |
| Bowerbank | Piscataquis County | 3 | 183 |
| Bradford | Penobscot County | 1 | 1,074 |
| Bradley | Penobscot County | 1 | 821 |
| Bradley (town) | Penobscot County | 5 | 1,657 |
| Bremen | Lincoln County | 1 | 704 |
| Brewer | Penobscot County | 1 | 9,452 |
| Bridgewater | Aroostook County | 1 | 449 |
| Bridgton | Cumberland County | 1 | 2,435 |
| Bridgton (town) | Cumberland County | 5 | 5,407 |
| Brighton | Somerset County | 3 | 76 |
| Bristol | Lincoln County | 1 | 2,819 |
| Brooklin | Hancock County | 1 | 753 |
| Brooks | Waldo County | 1 | 1,151 |
| Brooksville | Hancock County | 1 | 879 |
| Brownfield | Oxford County | 1 | 1,658 |
| Brownville | Piscataquis County | 1 | 1,113 |
| Brownville Junction | Piscataquis County | 1 | 584 |
| Brunswick | Cumberland County | 1 | 14,544 |
| Brunswick (town) | Cumberland County | 5 | 21,589 |
| Buckfield | Oxford County | 1 | 2,440 |
| Bucksport | Hancock County | 1 | 2,596 |
| Bucksport (town) | Hancock County | 6 | 4,967 |
| Burlington | Penobscot County | 1 | 335 |
| Burnham | Waldo County | 1 | 909 |
| Buxton | York County | 1 | 8,332 |
| Byron | Oxford County | 1 | 176 |
| Calais | Washington County | 1 | 3,132 |
| Cambridge | Somerset County | 1 | 559 |
| Camden | Knox County | 1 | 3,416 |
| Camden (town) | Knox County | 3 | 5,175 |
| Canaan | Somerset County | 1 | 2,374 |
| Canton | Oxford County | 1 | 1,059 |
| Cape Elizabeth | Cumberland County | 1 | 9,448 |
| Cape Neddick | York County | 1 | 3,054 |
| Caratunk | Somerset County | 1 | 31 |
| Caribou | Aroostook County | 1 | 8,169 |
| Carmel | Penobscot County | 1 | 2,838 |
| Carrabassett Valley | Franklin County | 2 | 586 |
| Carroll | Penobscot County | 2 | 101 |
| Carthage | Franklin County | 3 | 682 |
| Casco | Cumberland County | 1 | 462 |
| Casco (town) | Cumberland County | 4 | 3,643 |
| Castine | Hancock County | 1 | 1,226 |
| Castine (town) | Hancock County | 2 | 1,162 |
| Castle Hill | Aroostook County | 2 | 338 |
| Caswell | Aroostook County | 2 | 293 |
| Central Aroostook | Aroostook County | 8 | 88 |
| Central Hancock | Hancock County | 2 | 179 |
| Central Somerset | Somerset County | 4 | 346 |
| Chapman | Aroostook County | 2 | 316 |
| Charleston | Penobscot County | 1 | 1,176 |
| Charlotte | Washington County | 2 | 378 |
| Chebeague Island | Cumberland County | 1 | 566 |
| Chelsea | Kennebec County | 3 | 2,761 |
| Cherryfield | Washington County | 1 | 791 |
| Chester | Penobscot County | 1 | 548 |
| Chesterville | Franklin County | 5 | 1,358 |
| China | Kennebec County | 5 | 4,394 |
| Chisholm | Franklin County | 1 | 1,005 |
| Clifton | Penobscot County | 3 | 1,010 |
| Clinton | Kennebec County | 1 | 1,072 |
| Clinton (town) | Kennebec County | 5 | 3,368 |
| Codyville | Washington County | 3 | 20 |
| Columbia | Washington County | 4 | 444 |
| Columbia Falls | Washington County | 1 | 431 |
| Connor | Aroostook County | 4 | 398 |
| Cooper | Washington County | 3 | 141 |
| Coplin | Franklin County | 4 | 182 |
| Corinna | Penobscot County | 1 | 702 |
| Corinna (town) | Penobscot County | 4 | 1,990 |
| Corinth | Penobscot County | 1 | 2,878 |
| Cornish | York County | 1 | 783 |
| Cornish (town) | York County | 5 | 1,758 |
| Cornville | Somerset County | 6 | 1,576 |
| Cousins Island | Cumberland County | 1 | 615 |
| Cranberry Isles | Hancock County | 1 | 120 |
| Crawford | Washington County | 2 | 52 |
| Criehaven | Knox County | 1 | 0 |
| Crystal | Aroostook County | 3 | 248 |
| Cumberland | Cumberland County | 7 | 8,332 |
| Cumberland Center | Cumberland County | 1 | 2,664 |
| Cushing | Knox County | 1 | 1,395 |
| Cutler | Washington County | 1 | 583 |
| Cyr | Aroostook County | 4 | 47 |
| Dallas | Franklin County | 1 | 295 |
| Damariscotta | Lincoln County | 1 | 1,082 |
| Damariscotta (town) | Lincoln County | 5 | 2,221 |
| Danforth | Washington County | 1 | 524 |
| Danforth (town) | Washington County | 2 | 611 |
| Dayton | York County | 3 | 2,185 |
| Deblois | Washington County | 1 | 16 |
| Dedham | Hancock County | 4 | 1,631 |
| Deer Isle | Hancock County | 1 | 2,138 |
| Denmark | Oxford County | 1 | 1,135 |
| Dennistown | Somerset County | 1 | 62 |
| Dennysville | Washington County | 1 | 226 |
| Detroit | Somerset County | 1 | 757 |
| Dexter | Penobscot County | 1 | 1,759 |
| Dexter (town) | Penobscot County | 3 | 3,790 |
| Dixfield | Oxford County | 1 | 1,143 |
| Dixfield (town) | Oxford County | 5 | 2,025 |
| Dixmont | Penobscot County | 1 | 1,210 |
| Dover-Foxcroft | Piscataquis County | 1 | 2,705 |
| Dover-Foxcroft (town) | Piscataquis County | 3 | 4,306 |
| Dresden | Lincoln County | 1 | 1,883 |
| Drew | Penobscot County | 3 | 29 |
| Dunstan | Cumberland County | 1 | 1,592 |
| Durham | Androscoggin County | 1 | 4,170 |
| Dyer Brook | Aroostook County | 3 | 248 |
| Eagle Lake | Aroostook County | 1 | 453 |
| Eagle Lake (town) | Aroostook County | 1 | 584 |
| East Central Franklin | Franklin County | 7 | 820 |
| East Central Penobscot | Penobscot County | 5 | 443 |
| East Central Washington | Washington County | 7 | 600 |
| East Hancock | Hancock County | 9 | 40 |
| East Machias | Washington County | 1 | 1,275 |
| East Millinocket | Penobscot County | 1 | 1,548 |
| East Millinocket (town) | Penobscot County | 2 | 1,581 |
| Eastbrook | Hancock County | 2 | 596 |
| Easton | Aroostook County | 1 | 1,454 |
| Eastport | Washington County | 1 | 1,458 |
| Eddington | Penobscot County | 1 | 2,486 |
| Edgecomb | Lincoln County | 1 | 1,252 |
| Edinburg | Penobscot County | 3 | 152 |
| Eliot | York County | 1 | 6,725 |
| Ellsworth | Hancock County | 1 | 7,717 |
| Embden | Somerset County | 4 | 777 |
| Enfield | Penobscot County | 3 | 1,446 |
| Etna | Penobscot County | 1 | 1,124 |
| Eustis | Franklin County | 1 | 482 |
| Exeter | Penobscot County | 1 | 1,111 |
| Fairfield | Somerset County | 1 | 2,247 |
| Fairfield (town) | Somerset County | 3 | 6,490 |
| Falmouth | Cumberland County | 1 | 1,955 |
| Falmouth (town) | Cumberland County | 5 | 12,316 |
| Falmouth Foreside | Cumberland County | 1 | 1,706 |
| Farmingdale | Kennebec County | 1 | 2,209 |
| Farmingdale (town) | Kennebec County | 6 | 2,987 |
| Farmington | Franklin County | 1 | 4,250 |
| Farmington (town) | Franklin County | 4 | 7,424 |
| Fayette | Kennebec County | 4 | 1,274 |
| Fort Fairfield | Aroostook County | 1 | 1,817 |
| Fort Fairfield (town) | Aroostook County | 3 | 3,302 |
| Fort Kent | Aroostook County | 1 | 2,937 |
| Fort Kent (town) | Aroostook County | 2 | 4,104 |
| Frankfort | Waldo County | 1 | 1,244 |
| Franklin | Hancock County | 1 | 1,517 |
| Freedom | Waldo County | 1 | 631 |
| Freeport | Cumberland County | 1 | 1,506 |
| Freeport (town) | Cumberland County | 3 | 8,622 |
| Frenchboro | Hancock County | 1 | 16 |
| Frenchville | Aroostook County | 1 | 789 |
| Friendship | Knox County | 1 | 1,197 |
| Frye Island | Cumberland County | 1 | 25 |
| Fryeburg | Oxford County | 1 | 1,774 |
| Fryeburg (town) | Oxford County | 3 | 3,384 |
| Gardiner | Kennebec County | 1 | 5,816 |
| Garfield | Aroostook County | 1 | 70 |
| Garland | Penobscot County | 1 | 809 |
| Georgetown | Sagadahoc County | 1 | 937 |
| Gilead | Oxford County | 1 | 168 |
| Glenburn | Penobscot County | 5 | 4,616 |
| Glenwood | Aroostook County | 1 | 3 |
| Gorham | Cumberland County | 1 | 6,983 |
| Gorham (town) | Cumberland County | 6 | 18,114 |
| Gouldsboro | Hancock County | 1 | 1,680 |
| Grand Isle | Aroostook County | 1 | 189 |
| Grand Isle (town) | Aroostook County | 4 | 419 |
| Grand Lake Stream | Washington County | 2 | 165 |
| Gray | Cumberland County | 1 | 1,068 |
| Gray (town) | Cumberland County | 5 | 8,212 |
| Great Pond | Hancock County | 1 | 28 |
| Greenbush | Penobscot County | 1 | 1,363 |
| Greene | Androscoggin County | 1 | 760 |
| Greene (town) | Androscoggin County | 4 | 4,403 |
| Greenville | Piscataquis County | 1 | 1,413 |
| Greenville (town) | Piscataquis County | 4 | 1,464 |
| Greenwood | Oxford County | 1 | 643 |
| Guilford | Piscataquis County | 1 | 851 |
| Guilford (town) | Piscataquis County | 4 | 1,031 |
| Hallowell | Kennebec County | 1 | 2,586 |
| Hamlin | Aroostook County | 2 | 96 |
| Hammond | Aroostook County | 2 | 129 |
| Hampden | Penobscot County | 1 | 4,112 |
| Hampden (town) | Penobscot County | 5 | 7,638 |
| Hancock | Hancock County | 1 | 2,477 |
| Hanover | Oxford County | 1 | 219 |
| Harmony | Somerset County | 1 | 861 |
| Harpswell | Cumberland County | 1 | 4,985 |
| Harrington | Washington County | 1 | 861 |
| Harrison | Cumberland County | 1 | 2,445 |
| Hartford | Oxford County | 3 | 1,046 |
| Hartland | Somerset County | 1 | 719 |
| Hartland (town) | Somerset County | 7 | 1,649 |
| Haynesville | Aroostook County | 3 | 144 |
| Hebron | Oxford County | 1 | 1,324 |
| Hermon | Penobscot County | 2 | 6,331 |
| Hersey | Aroostook County | 2 | 73 |
| Hibberts | Lincoln County | 2 | 0 |
| Highland | Somerset County | 3 | 84 |
| Hiram | Oxford County | 1 | 1,674 |
| Hodgdon | Aroostook County | 2 | 1,465 |
| Holden | Penobscot County | 1 | 3,244 |
| Hollis | York County | 5 | 4,707 |
| Hope | Knox County | 1 | 1,730 |
| Houlton | Aroostook County | 1 | 5,029 |
| Houlton (town) | Aroostook County | 2 | 6,072 |
| Howland | Penobscot County | 1 | 1,100 |
| Howland (town) | Penobscot County | 4 | 1,204 |
| Hudson | Penobscot County | 1 | 1,172 |
| Industry | Franklin County | 4 | 1,137 |
| Island Falls | Aroostook County | 1 | 447 |
| Island Falls (town) | Aroostook County | 2 | 857 |
| Isle au Haut | Knox County | 1 | 30 |
| Islesboro | Waldo County | 1 | 600 |
| Jackman | Somerset County | 1 | 777 |
| Jackson | Waldo County | 3 | 436 |
| Jay | Franklin County | 1 | 4,661 |
| Jefferson | Lincoln County | 1 | 2,541 |
| Jonesboro | Washington County | 1 | 682 |
| Jonesport | Washington County | 1 | 666 |
| Jonesport (town) | Washington County | 3 | 1,195 |
| Kenduskeag | Penobscot County | 1 | 1,441 |
| Kennebunk | York County | 1 | 5,523 |
| Kennebunk (town) | York County | 5 | 11,466 |
| Kennebunkport | York County | 1 | 1,123 |
| Kennebunkport (town) | York County | 2 | 3,607 |
| Kezar Falls | Oxford County | 2 | 628 |
| Kingfield | Franklin County | 1 | 627 |
| Kingfield (town) | Franklin County | 2 | 836 |
| Kingman | Penobscot County | 1 | 142 |
| Kingsbury | Piscataquis County | 3 | 9 |
| Kittery | York County | 1 | 4,623 |
| Kittery (town) | York County | 4 | 10,006 |
| Kittery Point | York County | 1 | 1,054 |
| Knox | Waldo County | 4 | 807 |
| Lagrange | Penobscot County | 1 | 649 |
| Lake Arrowhead | York County | 2 | 2,939 |
| Lake View | Piscataquis County | 2 | 235 |
| Lakeville | Penobscot County | 1 | 76 |
| Lamoine | Hancock County | 2 | 1,807 |
| Lebanon | York County | 1 | 6,437 |
| Lee | Penobscot County | 1 | 755 |
| Leeds | Androscoggin County | 1 | 2,427 |
| Levant | Penobscot County | 1 | 2,909 |
| Lewiston | Androscoggin County | 1 | 36,588 |
| Liberty | Waldo County | 1 | 733 |
| Limerick | York County | 1 | 3,169 |
| Limestone | Aroostook County | 1 | 1,211 |
| Limestone (town) | Aroostook County | 4 | 1,826 |
| Limington | York County | 1 | 3,883 |
| Lincoln | Penobscot County | 1 | 3,189 |
| Lincoln (Oxford County) | Oxford County | 3 | 30 |
| Lincoln (Penobscot County) | Penobscot County | 3 | 4,854 |
| Lincolnville | Waldo County | 1 | 2,253 |
| Linneus | Aroostook County | 3 | 1,020 |
| Lisbon | Androscoggin County | 1 | 2,946 |
| Lisbon (town) | Androscoggin County | 8 | 9,588 |
| Lisbon Falls | Androscoggin County | 1 | 4,212 |
| Litchfield | Kennebec County | 1 | 3,587 |
| Little Falls | Cumberland County | 2 | 404 |
| Littlejohn Island | Cumberland County | 1 | 167 |
| Littleton | Aroostook County | 1 | 1,015 |
| Livermore | Androscoggin County | 1 | 1,873 |
| Livermore Falls | Androscoggin County | 1 | 1,725 |
| Livermore Falls (town) | Androscoggin County | 3 | 3,089 |
| Long Island | Cumberland County | 1 | 271 |
| Louds Island | Lincoln County | 1 | 0 |
| Lovell | Oxford County | 1 | 1,321 |
| Lowell | Penobscot County | 3 | 402 |
| Lubec | Washington County | 1 | 289 |
| Lubec (town) | Washington County | 2 | 1,198 |
| Ludlow | Aroostook County | 3 | 385 |
| Lyman | York County | 5 | 4,509 |
| Machias | Washington County | 1 | 1,224 |
| Machias (town) | Washington County | 2 | 2,054 |
| Machiasport | Washington County | 1 | 1,010 |
| Macwahoc | Aroostook County | 4 | 69 |
| Madawaska | Aroostook County | 1 | 3,136 |
| Madawaska (town) | Aroostook County | 5 | 3,874 |
| Madison | Somerset County | 1 | 2,757 |
| Madison (town) | Somerset County | 6 | 4,711 |
| Magalloway | Oxford County | 2 | 12 |
| Manchester | Kennebec County | 1 | 2,412 |
| Mapleton | Aroostook County | 1 | 637 |
| Mapleton (town) | Aroostook County | 3 | 1,919 |
| Mariaville | Hancock County | 1 | 542 |
| Mars Hill | Aroostook County | 1 | 1,119 |
| Mars Hill (town) | Aroostook County | 3 | 1,365 |
| Marshall Island | Hancock County | 1 | 0 |
| Marshfield | Washington County | 2 | 470 |
| Masardis | Aroostook County | 3 | 282 |
| Matinicus Isle | Knox County | 2 | 69 |
| Mattawamkeag | Penobscot County | 1 | 583 |
| Mattawamkeag (town) | Penobscot County | 6 | 661 |
| Maxfield | Penobscot County | 2 | 100 |
| Mechanic Falls | Androscoggin County | 1 | 1,879 |
| Mechanic Falls (town) | Androscoggin County | 3 | 3,109 |
| Meddybemps | Washington County | 1 | 123 |
| Medford | Piscataquis County | 2 | 222 |
| Medway | Penobscot County | 1 | 1,204 |
| Mercer | Somerset County | 4 | 830 |
| Merrill | Aroostook County | 1 | 374 |
| Mexico | Oxford County | 1 | 2,031 |
| Mexico (town) | Oxford County | 4 | 2,739 |
| Milbridge | Washington County | 1 | 532 |
| Milbridge (town) | Washington County | 4 | 1,323 |
| Milford | Penobscot County | 1 | 2,341 |
| Milford (town) | Penobscot County | 5 | 3,052 |
| Millinocket | Penobscot County | 1 | 4,530 |
| Millinocket (town) | Penobscot County | 1 | 4,127 |
| Milo | Piscataquis County | 1 | 1,755 |
| Milo (town) | Piscataquis County | 3 | 2,307 |
| Milton | Oxford County | 2 | 146 |
| Minot | Androscoggin County | 1 | 2,766 |
| Monhegan | Lincoln County | 1 | 124 |
| Monmouth | Kennebec County | 1 | 4,061 |
| Monroe | Waldo County | 1 | 1,090 |
| Monson | Piscataquis County | 1 | 501 |
| Monticello | Aroostook County | 1 | 679 |
| Montville | Waldo County | 6 | 1,109 |
| Moose River | Somerset County | 1 | 227 |
| Moro | Aroostook County | 2 | 10 |
| Morrill | Waldo County | 1 | 832 |
| Moscow | Somerset County | 3 | 528 |
| Mount Chase | Penobscot County | 2 | 189 |
| Mount Desert | Hancock County | 1 | 1,771 |
| Mount Vernon | Kennebec County | 1 | 1,613 |
| Muscle Ridge Islands | Knox County | 1 | 0 |
| Naples | Cumberland County | 1 | 334 |
| Naples (town) | Cumberland County | 6 | 3,911 |
| Nashville | Aroostook County | 2 | 8 |
| New Canada | Aroostook County | 4 | 405 |
| New Gloucester | Cumberland County | 1 | 5,668 |
| New Limerick | Aroostook County | 1 | 467 |
| New Portland | Somerset County | 1 | 625 |
| New Sharon | Franklin County | 1 | 1,393 |
| New Sweden | Aroostook County | 1 | 466 |
| New Vineyard | Franklin County | 1 | 745 |
| Newburgh | Penobscot County | 3 | 1,551 |
| Newcastle | Lincoln County | 1 | 692 |
| Newcastle (town) | Lincoln County | 6 | 1,804 |
| Newfield | York County | 5 | 1,713 |
| Newport | Penobscot County | 1 | 2,030 |
| Newport (town) | Penobscot County | 4 | 3,129 |
| Newry | Oxford County | 1 | 194 |
| Nobleboro | Lincoln County | 1 | 1,541 |
| Norridgewock | Somerset County | 1 | 1,365 |
| Norridgewock (town) | Somerset County | 4 | 3,279 |
| North Anson | Somerset County | 1 | 471 |
| North Berwick | York County | 1 | 1,487 |
| North Berwick (town) | York County | 4 | 4,950 |
| North Franklin | Franklin County | 2 | 36 |
| North Haven | Knox County | 1 | 476 |
| North Oxford | Oxford County | 5 | 5 |
| North Penobscot | Penobscot County | 13 | 483 |
| North Washington | Washington County | 13 | 509 |
| North Windham | Cumberland County | 3 | 4,206 |
| North Yarmouth | Cumberland County | 1 | 4,037 |
| Northeast Harbor | Hancock County | 1 | 380 |
| Northeast Piscataquis | Piscataquis County | 8 | 698 |
| Northeast Somerset | Somerset County | 10 | 454 |
| Northfield | Washington County | 3 | 308 |
| Northport | Waldo County | 3 | 1,574 |
| Northwest Aroostook | Aroostook County | 7 | 4 |
| Northwest Hancock | Hancock County | 4 | 2 |
| Northwest Piscataquis | Piscataquis County | 5 | 124 |
| Northwest Somerset | Somerset County | 5 | 0 |
| Norway | Oxford County | 1 | 2,514 |
| Norway (town) | Oxford County | 5 | 5,075 |
| Oak Hill | Cumberland County | 2 | 4,783 |
| Oakfield | Aroostook County | 1 | 517 |
| Oakfield (town) | Aroostook County | 5 | 679 |
| Oakland | Kennebec County | 1 | 2,402 |
| Oakland (town) | Kennebec County | 4 | 6,210 |
| Ogunquit | York County | 1 | 1,207 |
| Old Orchard Beach | York County | 1 | 8,670 |
| Old Orchard Beach (town) | York County | 2 | 8,954 |
| Old Town | Penobscot County | 1 | 7,831 |
| Orient | Aroostook County | 1 | 125 |
| Orland | Hancock County | 1 | 1,968 |
| Orono | Penobscot County | 2 | 9,169 |
| Orono (town) | Penobscot County | 5 | 11,481 |
| Orrington | Penobscot County | 1 | 3,775 |
| Osborn | Hancock County | 2 | 77 |
| Otis | Hancock County | 1 | 867 |
| Otisfield | Oxford County | 4 | 2,037 |
| Owls Head | Knox County | 1 | 1,450 |
| Oxford | Oxford County | 1 | 1,372 |
| Oxford (town) | Oxford County | 4 | 4,211 |
| Palermo | Waldo County | 1 | 1,408 |
| Palmyra | Somerset County | 1 | 2,226 |
| Paris | Oxford County | 1 | 5,180 |
| Parkman | Piscataquis County | 3 | 896 |
| Parsonsfield | York County | 1 | 1,686 |
| Passadumkeag | Penobscot County | 1 | 515 |
| Patten | Penobscot County | 1 | 437 |
| Patten (town) | Penobscot County | 2 | 858 |
| Pembroke | Washington County | 1 | 938 |
| Penobscot | Hancock County | 1 | 1,144 |
| Perham | Aroostook County | 1 | 366 |
| Perkins | Sagadahoc County | 3 | 0 |
| Perry | Washington County | 1 | 813 |
| Peru | Oxford County | 1 | 1,590 |
| Phillips | Franklin County | 1 | 934 |
| Phippsburg | Sagadahoc County | 1 | 2,038 |
| Pittsfield | Somerset County | 1 | 3,261 |
| Pittsfield (town) | Somerset County | 5 | 3,916 |
| Pittston | Kennebec County | 2 | 2,876 |
| Pleasant Ridge | Somerset County | 2 | 71 |
| Plymouth | Penobscot County | 1 | 1,164 |
| Poland | Androscoggin County | 1 | 5,880 |
| Portage Lake | Aroostook County | 2 | 360 |
| Porter | Oxford County | 1 | 1,469 |
| Portland | Cumberland County | 4 | 66,235 |
| Pownal | Cumberland County | 1 | 1,565 |
| Prentiss | Penobscot County | 3 | 244 |
| Presque Isle | Aroostook County | 1 | 9,638 |
| Princeton | Washington County | 1 | 844 |
| Prospect | Waldo County | 3 | 795 |
| Randolph | Kennebec County | 1 | 1,726 |
| Randolph (town) | Kennebec County | 3 | 1,595 |
| Rangeley | Franklin County | 1 | 672 |
| Rangeley (Franklin County) | Franklin County | 2 | 128 |
| Rangeley (Franklin County) (town) | Franklin County | 3 | 983 |
| Raymond | Cumberland County | 1 | 4,526 |
| Readfield | Kennebec County | 1 | 2,587 |
| Reed | Aroostook County | 2 | 127 |
| Richmond | Sagadahoc County | 1 | 2,186 |
| Richmond (town) | Sagadahoc County | 4 | 3,503 |
| Ripley | Somerset County | 2 | 396 |
| Robbinston | Washington County | 1 | 595 |
| Rockland | Knox County | 1 | 7,314 |
| Rockport | Knox County | 1 | 3,615 |
| Rome | Kennebec County | 5 | 1,064 |
| Roque Bluffs | Washington County | 2 | 302 |
| Roxbury | Oxford County | 1 | 408 |
| Rumford | Oxford County | 1 | 4,365 |
| Rumford (town) | Oxford County | 5 | 5,846 |
| Sabattus | Androscoggin County | 1 | 758 |
| Sabattus (town) | Androscoggin County | 5 | 5,061 |
| Saco | York County | 1 | 18,561 |
| Sandy River | Franklin County | 2 | 152 |
| Sanford | York County | 1 | 10,084 |
| Sangerville | Piscataquis County | 1 | 1,323 |
| Scarborough | Cumberland County | 1 | 21,857 |
| Searsmont | Waldo County | 1 | 1,350 |
| Searsport | Waldo County | 1 | 996 |
| Searsport (town) | Waldo County | 4 | 2,650 |
| Sebago | Cumberland County | 1 | 1,930 |
| Sebec | Piscataquis County | 1 | 521 |
| Seboeis | Penobscot County | 2 | 47 |
| Seboomook Lake | Somerset County | 3 | 35 |
| Sedgwick | Hancock County | 1 | 1,350 |
| Shapleigh | York County | 1 | 2,888 |
| Sherman | Aroostook County | 1 | 930 |
| Shirley | Piscataquis County | 6 | 174 |
| Sidney | Kennebec County | 4 | 4,615 |
| Skowhegan | Somerset County | 1 | 6,438 |
| Skowhegan (town) | Somerset County | 5 | 8,553 |
| Smithfield | Somerset County | 1 | 934 |
| Smyrna | Aroostook County | 5 | 497 |
| Solon | Somerset County | 1 | 775 |
| Somerville | Lincoln County | 2 | 876 |
| Sorrento | Hancock County | 1 | 271 |
| South Aroostook | Aroostook County | 9 | 591 |
| South Berwick | York County | 1 | 3,264 |
| South Berwick (town) | York County | 6 | 7,443 |
| South Bristol | Lincoln County | 1 | 939 |
| South Eliot | York County | 3 | 3,501 |
| South Franklin | Franklin County | 3 | 86 |
| South Oxford | Oxford County | 4 | 605 |
| South Paris | Oxford County | 1 | 2,710 |
| South Portland | Cumberland County | 1 | 24,997 |
| South Thomaston | Knox County | 1 | 1,384 |
| South Windham | Cumberland County | 2 | 1,255 |
| Southeast Piscataquis | Piscataquis County | 3 | 435 |
| Southport | Lincoln County | 1 | 512 |
| Southwest Harbor | Hancock County | 1 | 619 |
| Southwest Harbor (town) | Hancock County | 4 | 1,535 |
| Springfield | Penobscot County | 1 | 327 |
| Square Lake | Aroostook County | 8 | 480 |
| St. Agatha | Aroostook County | 5 | 896 |
| St. Albans | Somerset County | 3 | 1,863 |
| St. Francis | Aroostook County | 3 | 399 |
| St. George | Knox County | 4 | 2,594 |
| St. John | Aroostook County | 3 | 215 |
| Stacyville | Penobscot County | 1 | 422 |
| Standish | Cumberland County | 1 | 374 |
| Standish (town) | Cumberland County | 7 | 10,183 |
| Starks | Somerset County | 5 | 439 |
| Steep Falls | Cumberland County | 1 | 837 |
| Stetson | Penobscot County | 1 | 1,271 |
| Steuben | Washington County | 1 | 1,297 |
| Stockholm | Aroostook County | 1 | 228 |
| Stockton Springs | Waldo County | 1 | 1,795 |
| Stoneham | Oxford County | 1 | 257 |
| Stonington | Hancock County | 1 | 887 |
| Stow | Oxford County | 4 | 443 |
| Strong | Franklin County | 1 | 972 |
| Sullivan | Hancock County | 1 | 1,431 |
| Sumner | Oxford County | 1 | 1,024 |
| Surry | Hancock County | 1 | 1,831 |
| Swans Island | Hancock County | 1 | 436 |
| Swanville | Waldo County | 2 | 1,109 |
| Sweden | Oxford County | 4 | 507 |
| Talmadge | Washington County | 4 | 45 |
| Temple | Franklin County | 1 | 782 |
| The Forks | Somerset County | 2 | 34 |
| Thomaston | Knox County | 1 | 2,036 |
| Thomaston (town) | Knox County | 5 | 2,753 |
| Thorndike | Waldo County | 1 | 1,402 |
| Topsfield | Washington County | 1 | 203 |
| Topsham | Sagadahoc County | 1 | 6,293 |
| Topsham (town) | Sagadahoc County | 5 | 9,431 |
| Tremont | Hancock County | 5 | 1,462 |
| Trenton | Hancock County | 2 | 1,824 |
| Troy | Waldo County | 1 | 975 |
| Turner | Androscoggin County | 1 | 594 |
| Turner (town) | Androscoggin County | 5 | 5,864 |
| Twombly Ridge | Penobscot County | 3 | 0 |
| Union | Knox County | 1 | 2,738 |
| Unity | Waldo County | 1 | 597 |
| Unity (Kennebec County) | Kennebec County | 3 | 46 |
| Unity (Waldo County) | Waldo County | 3 | 2,043 |
| Upton | Oxford County | 3 | 88 |
| Van Buren | Aroostook County | 1 | 2,206 |
| Van Buren (town) | Aroostook County | 1 | 1,793 |
| Vanceboro | Washington County | 1 | 166 |
| Vanceboro (town) | Washington County | 3 | 162 |
| Vassalboro | Kennebec County | 1 | 4,475 |
| Veazie | Penobscot County | 3 | 1,900 |
| Veazie (town) | Penobscot County | 3 | 1,771 |
| Verona Island | Hancock County | 3 | 618 |
| Vienna | Kennebec County | 1 | 602 |
| Vinalhaven | Knox County | 1 | 991 |
| Wade | Aroostook County | 3 | 285 |
| Waite | Washington County | 1 | 43 |
| Waldo | Waldo County | 2 | 980 |
| Waldoboro | Lincoln County | 1 | 983 |
| Waldoboro (town) | Lincoln County | 6 | 5,135 |
| Wales | Androscoggin County | 2 | 1,743 |
| Wallagrass | Aroostook County | 1 | 523 |
| Waltham | Hancock County | 2 | 290 |
| Warren | Knox County | 1 | 4,812 |
| Washburn | Aroostook County | 1 | 1,010 |
| Washburn (town) | Aroostook County | 3 | 1,433 |
| Washington | Knox County | 1 | 1,653 |
| Waterboro | York County | 1 | 7,920 |
| Waterford | Oxford County | 1 | 1,286 |
| Waterville | Kennebec County | 1 | 15,780 |
| Wayne | Kennebec County | 1 | 1,014 |
| Webster | Penobscot County | 2 | 71 |
| Weld | Franklin County | 1 | 393 |
| Wellington | Piscataquis County | 4 | 174 |
| Wells | York County | 1 | 11,156 |
| Wesley | Washington County | 1 | 152 |
| West Bath | Sagadahoc County | 3 | 2,119 |
| West Central Franklin | Franklin County | 1 | 0 |
| West Forks | Somerset County | 1 | 70 |
| West Gardiner | Kennebec County | 5 | 3,625 |
| West Kennebunk | York County | 1 | 1,049 |
| West Paris | Oxford County | 1 | 2,017 |
| Westbrook | Cumberland County | 1 | 17,501 |
| Westfield | Aroostook County | 1 | 569 |
| Westmanland | Aroostook County | 2 | 108 |
| Weston | Aroostook County | 2 | 261 |
| Westport Island | Lincoln County | 3 | 863 |
| Whitefield | Lincoln County | 1 | 2,281 |
| Whiting | Washington County | 1 | 488 |
| Whitney | Penobscot County | 1 | 0 |
| Whitneyville | Washington County | 3 | 185 |
| Willimantic | Piscataquis County | 3 | 141 |
| Wilton | Franklin County | 1 | 2,213 |
| Wilton (town) | Franklin County | 3 | 3,868 |
| Windham | Cumberland County | 1 | 18,343 |
| Windsor | Kennebec County | 1 | 2,627 |
| Winn | Penobscot County | 1 | 392 |
| Winslow | Kennebec County | 1 | 7,779 |
| Winslow (town) | Kennebec County | 4 | 7,888 |
| Winter Harbor | Hancock County | 1 | 368 |
| Winter Harbor (town) | Hancock County | 1 | 474 |
| Winterport | Waldo County | 1 | 1,504 |
| Winterport (town) | Waldo County | 5 | 3,845 |
| Winterville | Aroostook County | 1 | 221 |
| Winthrop | Kennebec County | 1 | 2,733 |
| Winthrop (town) | Kennebec County | 5 | 6,103 |
| Wiscasset | Lincoln County | 1 | 1,028 |
| Wiscasset (town) | Lincoln County | 4 | 3,733 |
| Woodland | Washington County | 1 | 765 |
| Woodland (town) | Aroostook County | 3 | 1,166 |
| Woodstock | Oxford County | 5 | 1,123 |
| Woodville | Penobscot County | 2 | 215 |
| Woolwich | Sagadahoc County | 1 | 3,088 |
| Wyman | Franklin County | 1 | 58 |
| Yarmouth | Cumberland County | 1 | 5,644 |
| Yarmouth (town) | Cumberland County | 5 | 8,903 |
| York | York County | 1 | 13,581 |
| York Harbor | York County | 1 | 3,029 |