This table ranks all 35 ZIP codes in the Clarksburg, WV MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 26554 | Fairmont | 41,983 |
| 2 | ZIP 26301 | Clarksburg | 28,736 |
| 3 | ZIP 26330 | Bridgeport | 15,252 |
| 4 | ZIP 26354 | Grafton | 10,130 |
| 5 | ZIP 26426 | Salem | 7,698 |
| 6 | ZIP 26416 | Philippi | 6,912 |
| 7 | ZIP 26431 | Shinnston | 5,501 |
| 8 | ZIP 26378 | Jane Lew | 4,595 |
| 9 | ZIP 26582 | Mannington | 3,770 |
| 10 | ZIP 26415 | Pennsboro | 3,602 |
| 11 | ZIP 26456 | West Union | 3,156 |
| 12 | ZIP 26385 | Lost Creek | 2,883 |
| 13 | ZIP 26386 | Lumberport | 2,738 |
| 14 | ZIP 26408 | Mount Clare | 2,636 |
| 15 | ZIP 26347 | Flemington | 2,309 |
| 16 | ZIP 26374 | Independence | 1,884 |
| 17 | ZIP 26448 | Wallace | 1,296 |
| 18 | ZIP 26440 | Thornton | 1,119 |
| 19 | ZIP 26411 | New Milton | 817 |
| 20 | ZIP 26568 | Enterprise | 681 |
| 21 | ZIP 26369 | Hepzibah | 582 |
| 22 | ZIP 26451 | West Milford | 501 |
| 23 | ZIP 26323 | Anmoore | 452 |
| 24 | ZIP 26443 | Troy | 364 |
| 25 | ZIP 26422 | Reynoldsville | 324 |
| 26 | ZIP 26463 | Wyatt | 230 |
| 27 | ZIP 26321 | Alum Bridge | 211 |
| 28 | ZIP 26424 | Rosemont | 141 |
| 29 | ZIP 26339 | Center Point | 116 |
| 30 | ZIP 26404 | Meadowbrook | 109 |
| 31 | ZIP 26436 | Smithburg | 101 |
| 32 | ZIP 26435 | Simpson | 89 |
| 33 | ZIP 26366 | Haywood | 82 |
| 34 | ZIP 26438 | Spelter | 79 |
| 35 | ZIP 26361 | Gypsy | 23 |