Somerset County's 2026 population is estimated at 51,672, reflecting a 0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Somerset County is the 9th largest county in Maine. The 2010 population was 52,217 and has grown -1.04% since 2010.
Data after 2023 is projected based on recent change
Overall: 47 years
Female: 47.5 years
Male: 46.5 years
There are 41,570 adults, (11,723 of whom are seniors) in Somerset County.
Female: 25,595 (50.2%)
Male: 25,364 (49.8%)
The racial composition of Somerset County includes 94.47% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 48,140 | 94.47% |
| Two or more races | 1,976 | 3.88% |
| Other race | 283 | 0.56% |
| Black or African American | 249 | 0.49% |
| Asian | 192 | 0.38% |
| Native American | 108 | 0.21% |
| Native Hawaiian or Pacific Islander | 11 | 0.02% |
Somerset County 's average per capita income is $42,162. Household income levels show a median of $58,179. The poverty rate stands at 14.19%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,165 | - |
| Families | $77,505 | $95,072 |
| Households | $58,179 | $76,305 |
| Non Families | $33,890 | $44,076 |
Average Income
Median Household Income
Poverty Rate