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Winthrop, ME

Census-designated place in Kennebec County, Maine. ZIP codes: 04364.

Population

3,108

Land area

5.5sq mi

People per sq mi

562

ZIP codes

1

Winthrop and its ZIP codes

Winthrop at a glance

  • Winthrop is about 12 times as dense as Maine as a whole.
  • The median household income is $61,058, 18% below the Maine median of $74,733.
  • A typical owner-occupied home is valued at $244,900 (17% below Maine) and median rent is $881 a month.

Local data for Winthrop, ME

Counts from official public data

Housing and community stats

Winthrop, ME, American Community Survey 2020-2024

Full profile

Median household income

$61,058

Poverty rate

21.3%

Median home value

$244,900

Median rent

$881/mo

Homeownership

89.1%

Bachelor's or higher

40.8%

Median age

37.3

Average commute

26.2 min

Largest reported origins and ancestries: Irish Americans (435), French Americans (221), German Americans (126).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Kennebec County. PPP loans are for Winthrop.

Details

Unemployment rate

3.2%

Sep 2026, +0.2 pts in a year

Average annual pay

$62,915

62,270 jobs, 2025

Income per person

$61,181

BEA, 2024

Federal spending

$1.5B

FY 2026, $12,023 per person

PPP loans

$7.1M

160 loans, 960 jobs reported

Kennebec County economyFederal spendingPPP loans

How people get to work

Winthrop, ME, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone71.9%
  • Carpooled0.0%
  • Public transit0.0%
  • Walked2.1%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home25.3%

Average one-way commute: 26.2 minutes for people who do not work from home.

Environment and hazard risk

Winthrop, ME, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

646

Countywide, mostly thunderstorm wind

Flood insurance policies

249

0.5% of homes, county

July high / Jan low

80° / 12°F

41.8 inches of rain a year

Hazards, floods and storm historyCheck a flood zone2 historic places

Health statistics

Share of adults in Winthrop, ME, CDC PLACES estimates

All 40 measures

Obesity

34.0%

U.S. 33.3% +0.7 pts

Diabetes

12.3%

U.S. 12.1% about the same

Smoking

15.4%

U.S. 12.8% +2.6 pts

Uninsured (18-64)

7.4%

U.S. 11.1% -3.7 pts

ZIP codes in Winthrop

1 in or overlapping Winthrop. Population shown

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Cities near Winthrop

Frequently asked questions

What county is Winthrop, ME in?
Winthrop is in Kennebec County, Maine.
What ZIP codes are in Winthrop, ME?
ZIP codes in or overlapping Winthrop include 04364.
What is the population of Winthrop, ME?
About 3,108 people live in Winthrop, based on American Community Survey 5-year estimates.
What cities are near Winthrop?
Nearby places include Hallowell (7 mi), Farmingdale (9.7 mi), Augusta (11 mi), Gardiner (12 mi), Randolph (12 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023