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Maine ZIP Codes
Oxford County
Mexico, ME
04257
04257 ZIP Code — Mexico, ME
Oxford County, Maine
ZIP code 04257 is located in
Mexico ,
Maine ,
within Oxford County .
It covers approximately 23.34 square miles and serves a population of
2,758 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 207 .
About ZIP code 04257
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $96,400. Owner-occupancy is high at 76%, well above the national average.
Median household income is $44,943. 56% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with retail trade as the leading industry. The average commute of 22 minutes is near the national average.
College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.
20% of residents lack health insurance, above the national average.
Overall, ZIP code 04257 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
04257 ZIP code map
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Cities in ZIP code 04257
Below are the cities the US Postal Service accepts for ZIP code 04257. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,758
Population density
118 / sq mi
State FIPS
23
County FIPS
017
Geography
Land area
23.34 sq mi
Water area
0.23 sq mi
Latitude
44.5726
Longitude
-70.5247
Timezone
Eastern (ET)
Area code
207
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
64.2%
50.1%
42.3%
$50k – $100k
29.0%
31.6%
32.3%
$100k – $200k
6.9%
16.1%
20.6%
Over $200k
0.0%
2.2%
4.9%
Demographics & statistics
$44,943
Median household income
13.8%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 450 16.3% 18 and over 2,308 83.7% 65 and over 630 22.8% Median age 48.0 years
Race & ethnicity
Group Count % White 2,731 98.7% Two or more races 27 1% Hispanic or Latino 8 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
64.2%
50.1%
42.3%
$50k – $100k
29.0%
31.6%
32.3%
$100k – $200k
6.9%
16.1%
20.6%
Over $200k
0.0%
2.2%
4.9%
Range % of households Under $10k 5.3% $10k–$15k 5.6% $15k–$25k 16.1% $25k–$35k 16.0% $35k–$50k 9.4% $50k–$75k 18.1% $75k–$100k 15.4% $100k–$150k 11.5% $200k+ 2.9% Median income $44,943
Housing
Housing overview
Metric Value Median home value $96,400 Median rent / month $765 Owner occupied 76.3% Renter occupied 23.7% Vacant 24.0% Single-family detached 51.6% Large apartment buildings 0.0% Mobile homes 20.3% Median rooms 5.2 Avg household size (owned) 2.42
Year built
Era % 2020 or later 0.0% 2010–2019 0.7% 2000–2009 1.5% 1990–1999 1.7% 1980–1989 15.1% 1970–1979 11.4% 1960–1969 14.7% 1950–1959 10.5% 1940–1949 7.7% 1939 or earlier 36.7%
Bedrooms
Size % of units No bedroom (studio) 0.7% 1 bedroom 6.9% 2 bedrooms 40.5% 3 bedrooms 31.1% 4 bedrooms 13.8% 5+ bedrooms 7.0%
Vehicles per household
Vehicles % of households No vehicle 6.3% 1 vehicle 32.0% 2 vehicles 39.8% 3 or more 21.8%
Heating fuel
Fuel type % Electricity 4.3% Fuel oil 73.4% Wood 16.9% No fuel used 1.1%
Households & families
Household type Count % Married-couple family 691 60.0% Cohabiting couple 75 6.5% Male householder, no spouse 170 14.8% Female householder, no spouse 216 18.8% Households with children under 18 235 20.4% Households with seniors (65+) 541 47.0% Average household size 2.39
Marital status
Status Male Female Never married 28.6% 8.5% Married 59.1% 63.5% Separated 0.0% 0.0% Widowed 1.8% 7.6% Divorced 10.5% 20.4%
Education
Some college, no degree
22.3%
Graduate / professional
2.1%
Metric % HS diploma or higher 92.6% Bachelor's or higher 13.8%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 22 4.5% Kindergarten 0 0.0% Elementary school 262 53.4% High school 127 25.9% College / grad school 80 16.3%
Employment
Industry of employment
Professional & management
15.9%
Education & healthcare
15.4%
Finance & real estate
6.7%
Arts, food & hospitality
6.3%
Agriculture & mining
4.3%
Transportation & utilities
3.1%
Public administration
1.0%
Occupation
Category % Management, business & arts 21.4% Service 25.1% Sales & office 17.9% Natural resources & construction 15.8% Production & transportation 19.8%
Employment type
Type % Private sector 77.0% Government 10.8% Self-employed 12.3% Unpaid family workers 0.0%
Commute
Method % Drive alone 83.3% Carpool 10.4% Public transit 0.0% Walk 2.7% Work from home 3.6% Other means 0.0% Avg commute (minutes) 22.4
Poverty
Married-couple families
6.5%
Female-led households
35.4%
Income support
Source % of households Social Security 55.6% Retirement income 28.2% Supplemental Security 11.1% Cash public assistance 4.0% Food stamps / SNAP 10.3%
Health indicators
Condition % Obesity 34.0% High blood pressure 33.0% High cholesterol 32.7% Diabetes 10.1% Heart disease 7.6% Stroke 3.5% Asthma 11.7% Arthritis 28.5% Kidney disease 3.2% Pulmonary disease 9.2% Cancer 7.6%
Behavior / access % Smoking 19.7% Binge drinking 15.7% No physical activity 22.4% Less than 7 hrs sleep 33.0% Depression 23.2% Fair or poor health 14.1% Poor mental health 14.8% Poor physical health 10.9% No health insurance 13.3% Visited doctor (checkup) 79.3% Visited dentist 58.3% Cholesterol screening 88.4% Teeth loss 20.5%
Veterans & disability
Veterans Count % Civilian veterans 189 8.2%
Disability % Any disability 21.6% Under 18 19.3% 18–64 years 20.6% 65 and over 25.9%
Health insurance coverage
Type % Private insurance 50.8% Public insurance 43.6% No insurance 19.9% Uninsured under 19 6.3%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 2,706 98.1% Spanish 0 0.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 2,713 98.4% Born in same state 2,674 97.0% Born in different state 2,309 83.7% Foreign born 39 1.4% Naturalized citizen 45 1.6% Not a US citizen 45 100.0%
Ancestry
Ancestry Count % French 703 25.5% German 572 20.7% Italian 207 7.5%
Ancestry Count % Arab 181 6.6% Norwegian 18 0.7%
Technology access
Metric % of households Computer access 41.8% Internet access 84.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 04257
What city is ZIP code 04257 in?
ZIP code 04257 is primarily assigned to Mexico, Maine.
What county is ZIP code 04257 in?
ZIP code 04257 falls within Oxford County, Maine.
Does ZIP code 04257 have a large retiree population?
56% of households in ZIP code 04257 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 04257?
14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 04257?
The median home value in ZIP code 04257 is $96,400.
What is the median household income in ZIP code 04257?
The median household income in ZIP code 04257 is $44,943, below the national median of ~$75,000.
What timezone is ZIP code 04257 in?
ZIP code 04257 observes the EST timezone.
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