Postal Codes

04257 ZIP Code

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ZIP code 04257 covers Mexico, Maine, with a population of about 2,772 and a median household income of $54,052.

Population
2,772119 per square mile
Median age
45.36.6 points above the US average
Median household income
$54,05225% below the Maine median
Poverty rate
17.4%5 points above the US average
Typical home value
$179,212up 21% in five years
Median rent
$84322% below the Maine median
Degree or higher
12.2%22.8 points below the US average
Homeownership
76.9%11.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
64

Where 04257 is

Mexico, 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

Population2,772
Median age45.3
Family households70.7%
Born outside the US0.4%
Speaks a language other than English at home1.6%
White (non-Hispanic)97.4%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0%
Hispanic or Latino0.3%
Veterans6.1%
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$54,052
Income per person$26,346
Poverty rate17.4%
Households on SNAP or cash assistance15.3%

Household income distribution

Under $10k1.8%
$10–15k3.9%
$15–20k9.9%
$20–25k3.7%
$25–30k4.8%
$30–35k8.9%
$35–40k3.2%
$40–45k4.7%
$45–50k5.2%
$50–60k8.0%
$60–75k9.7%
$75–100k15.4%
$100–125k12.7%
$125–150k3.1%
$150–200k0.0%
$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 filed1,150
Mean adjusted gross income$45,092
Returns declaring $200,000 or more0%
Returns, under $25k37.4%
Returns, $25k–$50k30.4%
Returns, $50k–$75k15.7%
Returns, $75k–$100k8.7%
Returns, $100k–$200k7.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$104,000
Median gross rent$843
Owner-occupied76.9%
Vacant homes25.6%
Median year built1955

What the homes are

Detached house55.6%
Attached house3.6%
2 to 4 units19.4%
5 to 19 units3.2%
20 or more units0.5%
Mobile home17.8%
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$179,212as of 2026-07
Typical home value, 1 yeardown 2.2%
Typical home value, 5 yearsup 21%
Typical home value, 10 yearsup 114.8%
Typical home value since 2000
201220192026$184,817$67,625

$68,348 in 2012 to $179,212 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.4%
Bachelor's degree or higher12.2%
High school diploma or higher93.1%
Works from home2.8%
Drives to work alone88.5%
Takes public transport0%
Commutes 45 minutes or more20.1%
Health

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

Obesity35% 1.6 pts above the national average of 33.4%
Diagnosed diabetes13% 1 pts above the national average of 12%
Currently smokes18.5% 5.3 pts above the national average of 13.2%
High blood pressure36.6% 2.5 pts above the national average of 34.1%
Fair or poor general health22.1% 1.8 pts above the national average of 20.3%
No health insurance (18–64)9% 2.3 pts below the national average of 11.3%
Depression26.8% 4.9 pts above the national average of 21.9%
No leisure-time physical activity25.4% same as the national average of 25.4%
Arthritis34.1% 9 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication76.6% 1.9 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma13.6% 3.2 pts above the national average of 10.4%
Coronary heart disease8.4% 2.2 pts above the national average of 6.2%
Routine check-up in past year80.6% 3.9 pts above the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability17.7% 2.9 pts above the national average of 14.8%
Colorectal screening67.6% 3.3 pts above the national average of 64.3%
COPD10.3% 3.7 pts above the national average of 6.6%
Visited a dentist60.7% 0.6 pts below the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Lacks emotional support25.8% 1 pts above the national average of 24.8%
Food insecurity14.4% 2.7 pts below the national average of 17.1%
Received food stamps19.1% 4.8 pts above the national average of 14.3%
Hearing disability8.9% 2.2 pts above the national average of 6.7%
High cholesterol40.1% 3.9 pts above the national average of 36.2%
Housing insecurity12.6% 1.2 pts below the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport9.4% same as the national average of 9.2%
Loneliness33.6% 0.8 pts below the national average of 34.4%
Mammography use74.3% 1.6 pts below the national average of 75.9%
Poor mental health (14+ days)18.9% 2.1 pts above the national average of 16.8%
Mobility disability15.7% 1.7 pts above the national average of 14%
Poor physical health (14+ days)16.7% 3.2 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat9.3% 0.5 pts above the national average of 8.8%
Sleeps under 7 hours33.1% 3.3 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost16.9% 3.9 pts above the national average of 13%
Vision disability5.4% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments64
People employed620
Annual payroll$22,544,000
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 81.5% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss68 out of 100
Community resilience55.8 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.

Winter weather98Very High at its worst in this ZIP code
Landslide95.3Relatively Low at its worst in this ZIP code
River flooding95Relatively High at its worst in this ZIP code
Ice storm90Relatively Moderate at its worst in this ZIP code
Hurricane84.8Relatively Moderate at its worst in this ZIP code
Cold wave81Relatively High at its worst in this ZIP code
Lightning78.6Relatively High at its worst in this ZIP code
Strong wind68.3Relatively Moderate at its worst in this ZIP code
Avalanche63.6Very Low at its worst in this ZIP code
Wildfire60.9Very Low at its worst in this ZIP code
Earthquake46.7Relatively Low at its worst in this ZIP code
Hail28.6Very Low at its worst in this ZIP code
Tornado20.6Very Low at its worst in this ZIP code
Heat wave10.8Very 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$54,052$71,773$78,538
Income per person$26,346$42,035$43,289
Poverty rate17.4%10.8%12.4%
Median home value$104,000$266,400$303,400
Median gross rent$843$1,084$1,348
Homeownership76.9%74%65%
Bachelor's degree or higher12.2%35.3%35%
Unemployment rate4.4%3.9%5.2%
Works from home2.8%14.1%13.5%
Born outside the US0.4%3.9%13.9%
Median age45.344.838.7
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 stationRUMFORD 1 SSE, ME US3.6 km away
Rain in a year49 in
Snow in a year88 in

Average high and low by month

January27.5°F / 6.8°F3.28 in rain, 24.6 in snow
February31°F / 7°F2.38 in rain, 20.2 in snow
March39.8°F / 17.8°F3.17 in rain, 17.5 in snow
April52.6°F / 31.8°F4.12 in rain, 4.9 in snow
May66.6°F / 43.2°F3.69 in rain
June74.4°F / 52.9°F6.1 in rain
July79.4°F / 57.7°F4.52 in rain
August78°F / 56°F4.75 in rain
September70.8°F / 48.4°F3.7 in rain
October57.5°F / 36.9°F4.96 in rain, 0.1 in snow
November44.3°F / 26.3°F4.23 in rain, 3.8 in snow
December33°F / 15.8°F3.98 in rain, 16.8 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%.

Regional School Unit 10100% 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 vulnerability41more vulnerable than 41% of US census tracts
Socioeconomic status59more vulnerable than 59% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability7.9 out of 20Below average
Nearby ZIP codes

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

04276 Rumford, ME3.1 km away
04224 Dixfield, ME8.9 km away
04290 Peru, ME10.6 km away
04275 Roxbury, ME11.9 km away
04226 East Andover, ME13.9 km away
04237 Hanover, ME16.2 km away
04285 Weld, ME17.8 km away
04227 East Dixfield, ME18.4 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.

Oxford County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area23.34 sq mi
Water area0.23 sq mi
Population density119 people per sq mi
Latitude, longitude44.5628, -70.5358

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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