ZIP code
04364
Winthrop, ME
04364 covers Winthrop in Kennebec County, with 6,153 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 04364. Methodology
ZIP code map of 04364

About ZIP code 04364
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 04364. Not ACS. Methodology
People in 04364
Race
- White5,686
- Black or African American52
- American Indian or Alaska Native18
- Asian46
- Other race18
- Two or more races295
Hispanic or Latino (any race): 101
Age
- Under 10597
- 10 to 19691
- 20 to 29594
- 30 to 39720
- 40 to 49685
- 50 to 59933
- 60 to 691,044
- 70 to 79619
- 80 and older232
Income and housing in 04364
Education
- High school graduate97.8%
- Bachelor's degree37.3%
- Graduate degree9.7%
Places covering 04364
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Winthrop43.6%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Kennebec County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
56.4% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 04364
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 5,642 | |
| 2006 | 5,346 | |
| 2007 | 5,659 | |
| 2008 | 5,366 | |
| 2009 | 5,308 | |
| 2010 | 5,282 | |
| 2011 | 6,059 | 5,267 |
| 2012 | 6,025 | 5,250 |
| 2013 | 5,988 | 5,270 |
| 2014 | 5,950 | 5,140 |
| 2015 | 5,941 | 5,220 |
| 2016 | 5,940 | 5,270 |
| 2017 | 5,913 | 5,330 |
| 2018 | 5,917 | 5,310 |
| 2019 | 5,915 | 5,420 |
| 2020 | 5,974 | 5,570 |
| 2021 | 6,103 | 5,570 |
| 2022 | 6,138 | 5,520 |
| 2023 | 6,153 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 04364
12 nearest ZIP centroids (any distance)
- 04265North Monmouth4.2 miPop 645 · Income $43,712
- 04284Wayne4.6 miPop 1,096 · Income $75,987
- 04355Readfield5.2 miPop 2,628 · Income $88,583
- 04351Manchester5.5 miPop 2,464 · Income $89,453
- 04259Monmouth5.9 miPop 3,493 · Income $94,868
- 04347Hallowell7.3 miPop 2,570 · Income $58,811
- 04344Farmingdale7.5 miPop 3,001 · Income $60,000
- 04263Leeds8.5 miPop 2,371 · Income $86,339
- 04350Litchfield9.6 miPop 3,635 · Income $75,329
- 04349Kents Hill10.0 miPop 1,343 · Income $56,250
- 04352Mount Vernon10.8 miPop 1,728 · Income $73,664
- 04330Augusta11.0 miPop 26,517 · Income $55,158
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 04364, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 04364 FAQ
- What city is ZIP code 04364 in?
- 04364 is in Winthrop, ME.
- What county is 04364 in?
- 04364 is in Kennebec County.
- What is the median household income in 04364?
- The median household income in 04364 is $82,858.
- Which ZIP codes are near 04364?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 04364.