Maine Population By County in 2021

Based on the US Census Vintage data estimates, in 2021, the population of Maine was 1,377,238. Among all Maine counties, Cumberland[object Promise] had the highest population (306,149), followed by York[object Promise] (215,066), and Penobscot[object Promise] (152,834). Piscataquis[object Promise] was the least populated county (17,184).

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.