Population in Maine by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

Maine

1,387,817

Counties

16

Highest

Cumberland

308,827

Lowest

Piscataquis

17,263

All Maine counties, ranked

# Counties Population
1 Cumberland 308,827
2 York 216,731
3 Penobscot 154,710
4 Kennebec 126,808
5 Androscoggin 113,423
6 Aroostook 67,058
7 Oxford 59,255
8 Hancock 56,460
9 Somerset 50,959
10 Knox 41,003
11 Waldo 40,192
12 Sagadahoc 37,285
13 Lincoln 36,099
14 Washington 31,331
15 Franklin 30,413
16 Piscataquis 17,263

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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Population by county in other states

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US Population nationwide