Maine Population By County in 2018
Updated on December 2, 2021.
According to the US Census Bureau population estimates, there were 1,340,123 people living in Maine in 2018. Cumberland County was the most populated county with 294,363 residents, followed by York County with 206,041 residents, and Penobscot County with 151,798 residents. Piscataquis County with a population of 16,714 was the least populated county in Maine in 2018.
Use the map below to interactively explore the population of each county in Maine in 2018. The data can also be explored further by sorting and filtering with the table below.
Hover/Click on the counties to see the values.
Maine Population By County (2018)
Table of Maine Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Androscoggin | 107,987 | 8.06% |
| Aroostook | 67,302 | 5.02% |
| Cumberland | 294,363 | 21.97% |
| Franklin | 29,831 | 2.23% |
| Hancock | 54,849 | 4.09% |
| Kennebec | 122,086 | 9.11% |
| Knox | 39,760 | 2.97% |
| Lincoln | 34,396 | 2.57% |
| Oxford | 57,777 | 4.31% |
| Penobscot | 151,798 | 11.33% |
| Piscataquis | 16,714 | 1.25% |
| Sagadahoc | 35,821 | 2.67% |
| Somerset | 50,568 | 3.77% |
| Waldo | 39,678 | 2.96% |
| Washington | 31,152 | 2.33% |
| York | 206,041 | 15.38% |
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