What city is ZIP code 04631?

ZIP code 04631 is in Eastport, ME (Washington County).

What county is ZIP code 04631 in?

ZIP code 04631 is mostly in Washington County, Maine.

How many people live in ZIP code 04631?

About 1,263 people live in the 04631 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 04631

Eastport, ME, Washington County

Population

1,263

Land area

3.6sq mi

People per sq mi

347

City

Eastport

ZIP 04631 and nearby ZIP codes

Full map

ZIP 04631 at a glance

ZIP 04631 (Eastport) is about 7.7 times as dense as Maine as a whole.
The median household income is $45,573, 39% below the Maine median of $74,733.
A typical owner-occupied home is valued at $179,800 (39% below Maine) and median rent is $565 a month.

Local data for ZIP 04631

Counts from official public data

Housing and community stats

ZIP 04631, American Community Survey 2020-2024

Full profile

Median household income

$45,573

Poverty rate

15.2%

Median home value

$179,800

Median rent

$565/mo

Homeownership

64.9%

Bachelor's or higher

36.2%

Median age

61.4

Average commute

18.5 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

317

$12.1M annual payroll

PPP loans

$2.2M

52 loans

Campaign donations

$12.9K

75% D, 2% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 04631, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

1,081

Countywide, mostly high wind

Flood insurance policies

0.7% of homes, county

July high / Jan low

75° / 15°F

47.7 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 04631, CDC PLACES estimates

All 40 measures

Obesity

38.2%

U.S. 33.3% +4.9 pts

Diabetes

16.1%

U.S. 12.1% +4.0 pts

Smoking

15.1%

U.S. 12.8% +2.3 pts

Uninsured (18-64)

7.3%

U.S. 11.1% -3.8 pts

Frequently asked questions

What city is ZIP code 04631?: ZIP code 04631 is in Eastport, ME (Washington County).
What county is ZIP code 04631 in?: ZIP code 04631 is mostly in Washington County, Maine.
How many people live in ZIP code 04631?: About 1,263 people live in the 04631 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.