Postal Codes

04020 ZIP Code

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ZIP code 04020 covers Cornish, Maine, with a population of about 1,948 and a median household income of $69,068.

Population
1,94888 per square mile
Median age
38.9about the US average
Median household income
$69,068about the Maine median
Poverty rate
5.5%6.9 points below the US average
Typical home value
$400,960up 30.7% in five years
Median rent
$1,1941.1× the Maine median
Degree or higher
19.7%15.3 points below the US average
Homeownership
83%18 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
66

Where 04020 is

Cornish, 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

Population1,948
Median age38.9
Family households67%
Born outside the US0.2%
Speaks a language other than English at home0.2%
White (non-Hispanic)82.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.2%
Hispanic or Latino0%
Veterans13.5%
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$69,068
Income per person$33,912
Poverty rate5.5%
Households on SNAP or cash assistance10.2%

Household income distribution

Under $10k2.1%
$10–15k2.9%
$15–20k2.6%
$20–25k4.9%
$25–30k0.4%
$30–35k4.0%
$35–40k1.7%
$40–45k5.3%
$45–50k4.9%
$50–60k5.7%
$60–75k25.3%
$75–100k12.8%
$100–125k10.3%
$125–150k4.2%
$150–200k7.4%
$200k or more5.3%

Income as declared to the IRS

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

Tax returns filed850
Mean adjusted gross income$61,506
Returns declaring $200,000 or more2.4%
Returns, under $25k28.2%
Returns, $25k–$50k25.9%
Returns, $50k–$75k17.6%
Returns, $75k–$100k10.6%
Returns, $100k–$200k15.3%
Returns, $200k or more2.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$244,300
Median gross rent$1,194
Rent as a share of household income29.9%
Owner-occupied83%
Vacant homes13.8%
Median year built1970

What the homes are

Detached house81.8%
Attached house1.5%
2 to 4 units6.3%
20 or more units1.4%
Mobile home9%
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$400,960as of 2026-07
Typical home value, 1 yearup 2.7%
Typical home value, 5 yearsup 30.7%
Typical home value, 10 yearsup 110.7%
Typical home value since 2000
200020132026$400,960$84,845

$84,845 in 2000 to $400,960 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.6%
Bachelor's degree or higher19.7%
High school diploma or higher89.6%
Works from home5.6%
Drives to work alone81.5%
Takes public transport0%
Commutes 45 minutes or more37.1%
Health

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

Obesity35.2% 1.8 pts above the national average of 33.4%
Diagnosed diabetes11.8% same as the national average of 12%
Currently smokes16.9% 3.7 pts above the national average of 13.2%
High blood pressure37.7% 3.6 pts above the national average of 34.1%
Fair or poor general health21.6% 1.3 pts above the national average of 20.3%
No health insurance (18–64)8.8% 2.5 pts below the national average of 11.3%
Depression26.7% 4.8 pts above the national average of 21.9%
No leisure-time physical activity25% same as the national average of 25.4%
Arthritis33.4% 8.3 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication78.3% 3.6 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma13.4% 3 pts above the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year80.3% 3.6 pts above the national average of 76.7%
Cholesterol screening86.5% 0.6 pts above the national average of 85.9%
Cognitive disability18% 3.2 pts above the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD9.9% 3.3 pts above the national average of 6.6%
Visited a dentist60.7% 0.6 pts below the national average of 61.3%
Any disability36% 5.3 pts above the national average of 30.7%
Lacks emotional support23.4% 1.4 pts below the national average of 24.8%
Food insecurity11.9% 5.2 pts below the national average of 17.1%
Received food stamps15.9% 1.6 pts above the national average of 14.3%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol38.3% 2.1 pts above the national average of 36.2%
Housing insecurity10.6% 3.2 pts below the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport8.4% 0.8 pts below the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use78.8% 2.9 pts above the national average of 75.9%
Poor mental health (14+ days)18.6% 1.8 pts above the national average of 16.8%
Mobility disability15.6% 1.6 pts above the national average of 14%
Poor physical health (14+ days)15.3% 1.8 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat7.9% 0.9 pts below the national average of 8.8%
Sleeps under 7 hours32.3% 4.1 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost13.7% 0.7 pts above the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments66
People employed524
Annual payroll$17,332,000
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 48.6% of US census tracts
FEMA ratingRelatively Low
Expected annual loss34.9 out of 100
Community resilience76.8 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.

Ice storm95.6Relatively High at its worst in this ZIP code
Landslide94.8Relatively Low at its worst in this ZIP code
Drought90.8Relatively Low at its worst in this ZIP code
Hurricane83.9Relatively Moderate at its worst in this ZIP code
River flooding71.2Relatively Moderate at its worst in this ZIP code
Wildfire67.7Very Low at its worst in this ZIP code
Winter weather56.4Relatively Moderate at its worst in this ZIP code
Lightning54.7Relatively Moderate at its worst in this ZIP code
Earthquake54.2Relatively Low at its worst in this ZIP code
Strong wind46.3Relatively Low at its worst in this ZIP code
Hail40Relatively Low at its worst in this ZIP code
Tornado35.6Relatively Low at its worst in this ZIP code
Cold wave33.8Relatively Low at its worst in this ZIP code
Heat wave17.5Relatively Low at its worst in this ZIP code
Avalanche2.3Very 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$69,068$71,773$78,538
Income per person$33,912$42,035$43,289
Poverty rate5.5%10.8%12.4%
Median home value$244,300$266,400$303,400
Median gross rent$1,194$1,084$1,348
Homeownership83%74%65%
Bachelor's degree or higher19.7%35.3%35%
Unemployment rate2.6%3.9%5.2%
Works from home5.6%14.1%13.5%
Born outside the US0.2%3.9%13.9%
Median age38.944.838.7
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 stationEAST HIRAM, ME US11.2 km away
Rain in a year50 in
Snow in a year78 in

Average high and low by month

January28.8°F / 6.2°F3.29 in rain, 19.2 in snow
February31.9°F / 7.3°F3.29 in rain, 17.4 in snow
March40.1°F / 17.8°F4.09 in rain, 16 in snow
April53.9°F / 29.7°F4.52 in rain, 4.4 in snow
May66.2°F / 40.9°F3.82 in rain
June74.2°F / 50.5°F4.45 in rain
July79°F / 55.8°F4.06 in rain
August78°F / 53.7°F3.81 in rain
September70°F / 46.2°F4.12 in rain
October57.2°F / 35.1°F5.36 in rain
November45.1°F / 25.9°F4.46 in rain, 3.3 in snow
December33.8°F / 15.3°F4.43 in rain, 17.6 in snow
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 supermarketNone of this ZIP code
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%.

School Administrative District 55100% 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status48more vulnerable than 48% of US census tracts
Household characteristics40more vulnerable than 40% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport58more vulnerable than 58% of US census tracts
Walkability5.6 out of 20Least walkable
Nearby ZIP codes

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

04091 West Baldwin, ME6.1 km away
04028 East Parsonsfield, ME7.3 km away
04048 Limerick, ME9.3 km away
04049 Limington, ME10.2 km away
04041 Hiram, ME11 km away
04085 Steep Falls, ME11.2 km away
04047 Parsonsfield, ME11.2 km away
04024 East Baldwin, ME11.7 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.

York County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area22.18 sq mi
Water area0.2 sq mi
Population density88 people per sq mi
Latitude, longitude43.7796, -70.7784

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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