Maine Counties by Population (2026)
by Kristen Carney
Updated: February 9, 2026
The most populous counties in Maine are Cumberland County with 308,827, York County at 216,731, Penobscot County with 154,710, Kennebec County at 126,808, and Androscoggin County with 113,423. You can get the most current Census population data for all 16 Maine counties, sorted from the most populous counties in Maine to the least, according to the 2024 American Community Survey.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Maine counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
| Rank | County | Population |
|---|---|---|
| 1 | Cumberland County | 308,827 |
| 2 | York County | 216,731 |
| 3 | Penobscot County | 154,710 |
| 4 | Kennebec County | 126,808 |
| 5 | Androscoggin County | 113,423 |
| 6 | Aroostook County | 67,058 |
| 7 | Oxford County | 59,255 |
| 8 | Hancock County | 56,460 |
| 9 | Somerset County | 50,959 |
| 10 | Knox County | 41,003 |
| 11 | Waldo County | 40,192 |
| 12 | Sagadahoc County | 37,285 |
| 13 | Lincoln County | 36,099 |
| 14 | Washington County | 31,331 |
| 15 | Franklin County | 30,413 |
| 16 | Piscataquis County | 17,263 |
|
United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/. |
||
Email Me When New Data Are Released
Join thousands of subscribers and receive just 2 (TWO!) emails a year in March and December when the US Census Bureau releases new population data for Maine counties.
Products & Services
Plumbing
Connect
- 1-800-939-2130
- Contact Us
© Copyright 2026 Cubit Planning, Inc.