What city is ZIP code 04257?

ZIP code 04257 is in Mexico, ME (Oxford County).

What county is ZIP code 04257 in?

ZIP code 04257 is mostly in Oxford County, Maine.

How many people live in ZIP code 04257?

About 2,782 people live in the 04257 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 04257

Mexico, ME, Oxford County

Population

2,782

Land area

23.3sq mi

People per sq mi

119

City

Mexico

ZIP 04257 and nearby ZIP codes

Full map

ZIP 04257 at a glance

ZIP 04257 (Mexico) is about 2.6 times as dense as Maine as a whole.
The median household income is $55,727, 25% below the Maine median of $74,733.
A typical owner-occupied home is valued at $110,800 (63% below Maine) and median rent is $1,027 a month.

Local data for ZIP 04257

Counts from official public data

Housing and community stats

ZIP 04257, American Community Survey 2020-2024

Full profile

Median household income

$55,727

Poverty rate

19.7%

Median home value

$110,800

Median rent

$1,027/mo

Homeownership

77.0%

Bachelor's or higher

13.0%

Median age

43.4

Average commute

24.2 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

650

$27M annual payroll

PPP loans

$1.4M

42 loans

Campaign donations

$3,773

13% D, 38% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 04257, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

1,136

Countywide, mostly heavy snow

Flood insurance policies

275

1.1% of homes, county

July high / Jan low

79° / 7°F

48.9 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 04257, CDC PLACES estimates

All 40 measures

Obesity

35.0%

U.S. 33.3% +1.7 pts

Diabetes

13.0%

U.S. 12.1% +0.9 pts

Smoking

18.5%

U.S. 12.8% +5.7 pts

Uninsured (18-64)

9.0%

U.S. 11.1% -2.1 pts

Frequently asked questions

What city is ZIP code 04257?: ZIP code 04257 is in Mexico, ME (Oxford County).
What county is ZIP code 04257 in?: ZIP code 04257 is mostly in Oxford County, Maine.
How many people live in ZIP code 04257?: About 2,782 people live in the 04257 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.