Postal Codes

04364 ZIP Code

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ZIP code 04364 covers Winthrop, Maine, with a population of about 6,153 and a median household income of $82,858.

Population
6,153198 per square mile
Median age
43.34.6 points above the US average
Median household income
$82,8581.2× the Maine median
Poverty rate
13.9%1.5 points above the US average
Typical home value
$350,556up 23.9% in five years
Median rent
$1,031about the Maine median
Degree or higher
37.3%2.3 points above the US average
Homeownership
86%21 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
169

Where 04364 is

Winthrop, Maine — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,153
Median age43.3
Family households59.6%
Born outside the US3.5%
Speaks a language other than English at home4.3%
White (non-Hispanic)90.1%
Black (non-Hispanic)5%
Asian (non-Hispanic)0.2%
Hispanic or Latino0%
Veterans10.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$82,858
Income per person$38,926
Poverty rate13.9%
Households on SNAP or cash assistance4%

Household income distribution

Under $10k1.9%
$10–15k0.6%
$15–20k1.3%
$20–25k1.7%
$25–30k6.1%
$30–35k5.5%
$35–40k3.9%
$40–45k8.4%
$45–50k0.8%
$50–60k5.4%
$60–75k12.0%
$75–100k21.5%
$100–125k9.3%
$125–150k6.1%
$150–200k10.6%
$200k or more4.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,130
Mean adjusted gross income$84,167
Returns declaring $200,000 or more5.4%
Returns, under $25k25.6%
Returns, $25k–$50k23.6%
Returns, $50k–$75k16.6%
Returns, $75k–$100k10.5%
Returns, $100k–$200k18.2%
Returns, $200k or more5.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$273,100
Median gross rent$1,031
Rent as a share of household income31.6%
Owner-occupied86%
Vacant homes22.7%
Median year built1978

What the homes are

Detached house76.8%
Attached house1.4%
2 to 4 units5.7%
5 to 19 units3.8%
20 or more units1.5%
Mobile home10.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$350,556as of 2026-07
Typical home value, 1 yeardown 0.2%
Typical home value, 5 yearsup 23.9%
Typical home value, 10 yearsup 100.2%
Typical asking rent$1,900as of 2026-07
Typical home value since 2000
200020132026$357,278$84,450

$84,450 in 2000 to $350,556 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.2%
Bachelor's degree or higher37.3%
High school diploma or higher97.8%
Works from home16.9%
Drives to work alone77.9%
Takes public transport0%
Commutes 45 minutes or more19.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.9% 0.5 pts below the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes14.5% 1.3 pts above the national average of 13.2%
High blood pressure35.5% 1.4 pts above the national average of 34.1%
Fair or poor general health19.2% 1.1 pts below the national average of 20.3%
No health insurance (18–64)6.9% 4.4 pts below the national average of 11.3%
Depression28% 6.1 pts above the national average of 21.9%
No leisure-time physical activity23.2% 2.2 pts below the national average of 25.4%
Arthritis34.1% 9 pts above the national average of 25.1%
Binge drinking12.7% 3.3 pts below the national average of 16%
Taking blood pressure medication77.4% 2.7 pts above the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma12.5% 2.1 pts above the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year82.2% 5.5 pts above the national average of 76.7%
Cholesterol screening88.1% 2.2 pts above the national average of 85.9%
Cognitive disability15.3% 0.5 pts above the national average of 14.8%
Colorectal screening74.7% 10.4 pts above the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist67.8% 6.5 pts above the national average of 61.3%
Any disability33.4% 2.7 pts above the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity10.3% 6.8 pts below the national average of 17.1%
Received food stamps14.4% same as the national average of 14.3%
Hearing disability8.6% 1.9 pts above the national average of 6.7%
High cholesterol38.3% 2.1 pts above the national average of 36.2%
Housing insecurity10% 3.8 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport7.6% 1.6 pts below the national average of 9.2%
Loneliness28.9% 5.5 pts below the national average of 34.4%
Mammography use79.8% 3.9 pts above the national average of 75.9%
Poor mental health (14+ days)17.4% 0.6 pts above the national average of 16.8%
Mobility disability14.4% same as the national average of 14%
Poor physical health (14+ days)14.6% 1.1 pts above the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat7.6% 1.2 pts below the national average of 8.8%
Sleeps under 7 hours33.3% 3.1 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost10.7% 2.3 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments169
People employed1,573
Annual payroll$58,632,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 17.5% of US census tracts
FEMA ratingVery Low to Relatively Low across the 2 census tracts this ZIP code covers
Expected annual loss17 out of 100
Community resilience85 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather95.1Very High at its worst in this ZIP code
Ice storm93.3Relatively High at its worst in this ZIP code
Landslide85.3Relatively Low at its worst in this ZIP code
Hurricane80.1Relatively Moderate at its worst in this ZIP code
Lightning75.9Relatively High at its worst in this ZIP code
Wildfire58.6Very Low at its worst in this ZIP code
Hail56.8Relatively Low at its worst in this ZIP code
Strong wind52.2Relatively Moderate at its worst in this ZIP code
Earthquake45.6Relatively Low at its worst in this ZIP code
Drought35.5Very Low at its worst in this ZIP code
Cold wave31.3Relatively Low at its worst in this ZIP code
River flooding22.8Relatively Low at its worst in this ZIP code
Tornado21.8Very Low at its worst in this ZIP code
Heat wave7.1Very Low at its worst in this ZIP code
Compared with Maine and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMaineUnited States
Median household income$82,858$71,773$78,538
Income per person$38,926$42,035$43,289
Poverty rate13.9%10.8%12.4%
Median home value$273,100$266,400$303,400
Median gross rent$1,031$1,084$1,348
Homeownership86%74%65%
Bachelor's degree or higher37.3%35.3%35%
Unemployment rate2.2%3.9%5.2%
Works from home16.9%14.1%13.5%
Born outside the US3.5%3.9%13.9%
Median age43.344.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationAUGUSTA STATE AP, ME US12.8 km away
Rain in a year42 in

Average high and low by month

January28.8°F / 12.1°F2.62 in rain
February31.9°F / 14.4°F2.32 in rain
March40.6°F / 23.4°F3.21 in rain
April53.5°F / 34.2°F3.82 in rain
May65.8°F / 44.7°F3.27 in rain
June74.4°F / 54.1°F4.01 in rain
July79.9°F / 60.3°F3.2 in rain
August78.9°F / 58.8°F3.41 in rain
September70.9°F / 51°F3.9 in rain
October57.9°F / 40.4°F4.69 in rain
November45.7°F / 30.3°F3.95 in rain
December34.7°F / 19.8°F3.44 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Winthrop100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics23more vulnerable than 23% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability6.6 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

04343 East Winthrop, ME4.9 km away
04351 Manchester, ME8.2 km away
04265 North Monmouth, ME8.2 km away
04355 Readfield, ME8.9 km away
04284 Wayne, ME9.5 km away
04336 Augusta, ME11.1 km away
04259 Monmouth, ME12.6 km away
04347 Hallowell, ME12.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Kennebec County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area31.14 sq mi
Water area6.74 sq mi
Population density198 people per sq mi
Latitude, longitude44.3229, -69.9576

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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