Maine Population By County in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the population of Maine was 1,327,651. Among all Maine counties, Cumberland had the highest population (281,481), followed by York (197,215), and Penobscot (153,864). Piscataquis was the least populated county (17,550).

Hover over or click on the counties in the map below to see the populations. 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 see similar information for other states and by state for the United States.

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Maine Population By County in 2010
Maine Population By County in 2010
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County Population % of State Population
Androscoggin 107712 8.11
Aroostook 71699 5.40
Cumberland 281481 21.20
Franklin 30719 2.31
Hancock 54351 4.09
Kennebec 122074 9.20
Knox 39727 2.99
Lincoln 34384 2.59
Oxford 57777 4.35
Penobscot 153864 11.59
Piscataquis 17550 1.32
Sagadahoc 35229 2.65
Somerset 52217 3.93
Waldo 38824 2.92
Washington 32828 2.47
York 197215 14.85