Washington County's 2026 population is estimated at 31,257, reflecting a -0.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Washington County is the 14th largest county in Maine. The 2010 population was 32,828 and has grown -4.79% since 2010.
Data after 2023 is projected based on recent change
Overall: 48.6 years
Female: 49.8 years
Male: 47.7 years
There are 25,522 adults, (8,253 of whom are seniors) in Washington County.
Female: 15,882 (50.7%)
Male: 15,449 (49.3%)
The racial composition of Washington County includes 88.01% White, 4.67% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27,575 | 88.01% |
| Two or more races | 1,657 | 5.29% |
| Native American | 1,463 | 4.67% |
| Black or African American | 340 | 1.09% |
| Other race | 168 | 0.54% |
| Asian | 107 | 0.34% |
| Native Hawaiian or Pacific Islander | 21 | 0.07% |
Washington County 's average per capita income is $40,145. Household income levels show a median of $56,024. The poverty rate stands at 17.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,908 | $103,992 |
| Families | $74,305 | $92,189 |
| Households | $56,024 | $74,471 |
| Non Families | $31,402 | $43,322 |
Average Income
Median Household Income
Poverty Rate
