Maine 2020 Census Total Voting-age Population (18yrs and over) By County

Updated on August 21, 2023.

According to the data from the US 2020 decennial Census, as at April 2020, the total Voting-age population (18 years and over) of Maine was 1,110,085, which was 81.48% of the total Maine population.

Cumberland County had the highest voting-age population (247,098), followed by York County (173,464), and then Penobscot County (124,474). On the other hand, the 3 counties with low voting-age population were: Piscataquis County (13,901), Franklin County (24,045), and Washington County (25,404).

You can also see this information for other states and also for the US by state.

Hover over or click on the counties to see the number and percentage of Maine population that lives in each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can also see the voting-age population by county for the different racial groups as well as the different ethnicities in Maine.

Maine 2020 Census Total Voting-age Population By County
Maine 2020 Census Total Voting-age Population By County
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County Voting-age Population % of Maine Pop.
Androscoggin 87871 7.92
Aroostook 54341 4.89
Cumberland 247098 22.26
Franklin 24045 2.17
Hancock 46160 4.16
Kennebec 100401 9.04
Knox 33700 3.04
Lincoln 29468 2.66
Oxford 46644 4.20
Penobscot 124474 11.21
Piscataquis 13901 1.25
Sagadahoc 29938 2.70
Somerset 40887 3.68
Waldo 32289 2.91
Washington 25404 2.29
York 173464 15.63