How many counties are in Maine?

Maine has 16 counties, according to the U.S. Census Bureau.

What is the largest city in Maine?

Portland is the largest city in Maine, with a population of about 68,854.

What is the population of Maine?

Maine has about 1,387,817 residents, based on the Census Bureau's American Community Survey 5-year estimates.

How many ZIP codes are in Maine?

There are 427 ZIP Code Tabulation Areas in Maine.

Maine (ME): Counties, Cities, ZIP Codes & Public Data

Population

1,387,817

Land area

30,845sq mi

People per sq mi

45

Cities and towns

155

Maine at a glance

Households here earn a median of $74,733 a year, 7% less than the U.S. figure of $80,734.
A typical owner-occupied home is valued at $296,600 (11% below the U.S.) and median rent is $1,139 a month.
The biggest population centers are Portland (68,854), Lewiston (38,324) and Bangor (31,938).

Local data for Maine

Counts from official public data

Housing and community stats

Maine, American Community Survey 2020-2024

Full profile

Median household income

$74,733

Poverty rate

10.7%

Median home value

$296,600

Prices +1.1% in a year

Median rent

$1,139/mo

Homeownership

74.3%

Bachelor's or higher

36.2%

Median age

44.8

Average commute

24.6 min

Largest reported origins and ancestries: Irish Americans (229,186), French Americans (157,540), German Americans (108,254).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.3%

Sep 2026, 0.0 pts in a year

Average annual pay

$65,787

651,181 jobs, 2025

Income per person

$68,932

BEA, 2024

Federal spending

$16.42B

FY 2026, $12,054 per person

PPP loans

$3.25B

47,407 loans, 389,660 jobs reported

Campaign donations

$15.34M

Itemized, 2026 cycle

Economy Federal spending PPP loans Campaign finance

Environment and hazard risk

Maine, from FEMA, NOAA and EPA

Full report

High-risk counties

0

of 16 rated by FEMA

Storm events since 1996

15,365

41 deaths

Flood insurance policies

6,651

$85.99M paid since 1978

Superfund sites

16

69 toxic release facilities

Hazards, floods and storm history Check a flood zone 1,212 historic places

Health statistics

Share of adults in Maine, CDC PLACES estimates

All 40 measures

Obesity

32.8%

U.S. 33.3% -0.5 pts

Diabetes

11.2%

U.S. 12.1% -0.9 pts

Smoking

14.4%

U.S. 12.8% +1.6 pts

Uninsured (18-64)

7.8%

U.S. 11.1% -3.3 pts

Largest cities in Maine

Name	Population	Land area (sq mi)
Portland	68,854	21.5
Lewiston	38,324	34.1
Bangor	31,938	34.3
South Portland	26,930	12
Auburn	24,602	59.3
Biddeford	22,498	30.1
Sanford	22,247	47.8
Saco	20,819	38.6
Westbrook	20,775	17.2
Augusta	19,077	55.1
Brunswick	17,652	19.4
Waterville	17,077	13.5
Orono	11,151	7.1
Brewer	9,652	15.2
Old Orchard Beach	9,244	7.4
Bath	8,815	9.1
Presque Isle	8,736	75.8
Ellsworth	8,657	79.3
Gorham	7,593	7.7
Old Town	7,470	38.8
Caribou	7,382	79.3
Topsham	7,271	11
Rockland	7,035	12.8
Belfast	6,986	34.1
Skowhegan	6,662	13.4

Counties, cities and towns in Maine

Population shown

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Frequently asked questions

How many counties are in Maine?: Maine has 16 counties, according to the U.S. Census Bureau.
What is the largest city in Maine?: Portland is the largest city in Maine, with a population of about 68,854.
What is the population of Maine?: Maine has about 1,387,817 residents, based on the Census Bureau's American Community Survey 5-year estimates.
How many ZIP codes are in Maine?: There are 427 ZIP Code Tabulation Areas in Maine.