ZIP Code 04364 - Winthrop Maine

ZIP Code 04364 is located in Winthrop Maine. Portions of 04364 are also in Winthrop (town) and Readfield and Wayne. 04364 is entirely within Kennebec County. Regionally, 04364 is located in the Portland-Auburn Area.

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ZIP Code 04364 Quick Stats

ZIP Code NameWinthrop
Primary CountyKennebec County
ZIP Code TypeStandard
Population (2022)6,138
Area Code(s)207
Current Time

ZIP Code 04364 Map

04364 Demographics

04364 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Maine based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 04364 is White. The majority race/ethnicity attending public schools in 04364 is White. The current unemployment level in 04364 is 2.8%.

Population Growth Rate3.21%
Population Density159 People per Square Mile
Total Households2,557
Percentage High Income Households2.5%
Median Household Income (2021)$74,338
Average Adjusted Gross Income (2021)$549,820
Current Unemployment Rate (July 2024)2.8%
Majority Race/EthnictyWhite - 93.52%
Public School Majority Race/EthnictyWhite - 93.88%

04364 Race/Ethnicty Breakdown

Native American150.25%
Hawaiian/Pac. Islander00%

04364 Public School Race/Ethnicty Breakdown

Native American10.13%
Hawaiian/Pac. Islander00%

04364 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College3538.34%
Bachelor Degree84219.88%
High School Diploma1,28630.37%
No High School Diploma90.21%
GED or Alternate1984.68%
1 or More Years of College61014.4%
Associates Degree46911.07%
Masters Degree4059.56%
Professional Degree190.45%
Doctorate Degree441.04%

04364 Geography

Adjacent ZIP Codes
Cities/Towns in 04364
RegionPortland-Auburn Area
Metropolitan/Micropolitan Stat AreaAugusta-Waterville, ME
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area39 Square Miles

04364 Politics

US Congressional Districts in 04364
Maine State Senate Districts in 04364
Maine State House of Representatives Districts in 04364

04364 Schools

School Districts in 04364

04364 Weather and Climate Data

Plant Hardiness ZoneZone 5a: -20F to -15F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion82e - Central Maine Embayment

04364 Annual Climate Data

Avg Min Temp (°F)8112233445359574838291635
Avg Max Temp (°F)28324153667580797058453455
Avg Precip (In.)3.562.723.923.953.93.723.513.313.644.14.13.6844.11

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