STATE ยท ME
Counties in Maine
Maine has 16 counties and county equivalents. The most populous is Cumberland County with 310,230 people (Census 2023 estimate).
| County | Type | FIPS | Population (2023) |
|---|---|---|---|
| Androscoggin County | county | 23001 | 113,765 |
| Aroostook County | county | 23003 | 67,351 |
| Cumberland County | county | 23005 | 310,230 |
| Franklin County | county | 23007 | 30,828 |
| Hancock County | county | 23009 | 56,526 |
| Kennebec County | county | 23011 | 127,259 |
| Knox County | county | 23013 | 40,977 |
| Lincoln County | county | 23015 | 36,507 |
| Oxford County | county | 23017 | 59,905 |
| Penobscot County | county | 23019 | 155,312 |
| Piscataquis County | county | 23021 | 17,486 |
| Sagadahoc County | county | 23023 | 37,513 |
| Somerset County | county | 23025 | 51,302 |
| Waldo County | county | 23027 | 40,620 |
| Washington County | county | 23029 | 31,555 |
| York County | county | 23031 | 218,586 |
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27. Looking for yours? Find your county.