Maine Counties by Population

Below are the 16 Maine counties sorted by population from largest to smallest. The population data are from the 2022 Population Estimates Program and 2021 American Community Survey.

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Rank County Population
1 Cumberland County 307,451
2 York County 216,732
3 Penobscot County 153,704
4 Kennebec County 125,540
5 Androscoggin County 113,023
6 Aroostook County 67,255
7 Oxford County 59,495
8 Hancock County 56,701
9 Somerset County 51,098
10 Knox County 41,164
11 Waldo County 40,241
12 Sagadahoc County 37,393
13 Lincoln County 36,215
14 Washington County 31,437
15 Franklin County 30,474
16 Piscataquis County 17,417

United States Census Bureau. B01001 SEX BY AGE, 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2022. U.S. Census Bureau, Population Division. Web. May 2023. http://www.census.gov/.

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