Maine Population By County in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the population of Maine was 1,345,770. Among all Maine counties, Cumberland had the highest population (296,052), followed by York (207,978), and Penobscot (151,823). Piscataquis was the least populated county (16,880).

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 2019
Maine Population By County in 2019
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County Population % of State Population
Androscoggin 108361 8.05
Aroostook 67092 4.99
Cumberland 296052 22.00
Franklin 30046 2.23
Hancock 55098 4.09
Kennebec 122241 9.08
Knox 39792 2.96
Lincoln 34685 2.58
Oxford 57895 4.30
Penobscot 151823 11.28
Piscataquis 16880 1.25
Sagadahoc 36057 2.68
Somerset 50729 3.77
Waldo 39755 2.95
Washington 31286 2.33
York 207978 15.45