Knox County, Maine
Knox County, Maine, had an estimated population of 41,117 in 2025 across 945 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Maine's counties and nationally.
- Population
- 41,117
- 2025 estimate
- Area
- 945 km²
- Density
- 44
- per km²
- Median income
- $74,096
- household, ACS 2024
- Median age
- 49.5
- years, ACS 2024
How Maine's counties spread
Amenities & Infrastructure
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Households with Broadband2024 | 90.3% | 6 / 16 | 751 / 3,144 |
| Median Gross Rent2024 | $1,165 | 3 / 16 | 595 / 3,137 |
| Median Home Value2024 | $324,900 | 5 / 16 | 510 / 3,139 |
| Owner-Occupied Homes2024 | 78.7% | 6 / 16 | 829 / 3,144 |
| Vacant Homes2024 | 24.8% | 7 / 16 | 505 / 3,144 |
Demography
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 27.9% | 2 / 16 | 233 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 10 / 16 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 0.5% | 12 / 16 | 1,745 / 3,144 |
| Average Household Size2024people | 2.1 | 15 / 16 | 2,976 / 3,144 |
| Black, non-Hispanic2024 | 0.3% | 15 / 16 | 2,647 / 3,144 |
| Foreign-Born2024 | 3.1% | 8 / 16 | 1,492 / 3,144 |
| Hispanic or Latino2024 | 1.9% | 8 / 16 | 2,701 / 3,144 |
| Median Age2024years | 49.5 | 3 / 16 | 249 / 3,144 |
| Sex Ratio2024per 1,000 males | 993 | 15 / 16 | 1,744 / 3,144 |
| Speak a Language Other Than English2024 | 4.2% | 9 / 16 | 1,901 / 3,144 |
| Under 182024 | 16.8% | 13 / 16 | 2,913 / 3,144 |
| Veterans2024 | 8.7% | 9 / 16 | 715 / 3,144 |
| White, non-Hispanic2024 | 93.2% | 2 / 16 | 304 / 3,144 |
Economy
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 8.2% | 13 / 16 | 2,734 / 3,144 |
| Households on SNAP2024 | 8.5% | 12 / 16 | 2,218 / 3,144 |
| Income Inequality2024index | 0.447 | 9 / 16 | 1,494 / 3,144 |
| Median Household Income2024 | $74,096 | 5 / 16 | 904 / 3,143 |
| Per Capita Income2024 | $44,763 | 5 / 16 | 427 / 3,144 |
| Unemployment Rate2024 | 3.9% | 8 / 16 | 1,865 / 3,144 |
Education
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 39.7% | 5 / 16 | 283 / 3,144 |
| High School or Higher2024 | 94.8% | 6 / 16 | 297 / 3,144 |
Health Coverage
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| No Health Insurance2024 | 5.5% | 13 / 16 | 2,328 / 3,144 |
| With a Disability2024 | 13.0% | 15 / 16 | 2,435 / 3,144 |
Population & Density
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Population2025 | 41,117 | 10 / 16 | 1,172 / 3,144 |
| Population Density2025/km² | 44 | 6 / 16 | 827 / 3,144 |
Work & Commute
| Indicator | Value | In Maine | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 0.1% | 11 / 16 | 1,727 / 3,144 |
| Households with No Vehicle2024 | 5.4% | 12 / 16 | 1,556 / 3,144 |
| Mean Commute Time2024minutes | 19.6 | 15 / 16 | 2,527 / 3,143 |
| Work from Home2024 | 16.6% | 4 / 16 | 293 / 3,144 |
Compare Knox County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.