Washington County, Maine
Located in Maine, Washington County has a population of 31,331 residents and a median age of 48.6 years, making it the #1,437 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 17.1%. The median home value is $161,800, and the median household income is $56,024, which is 25% below the national median.
Demographics
Washington County has a population of 31,331, making it the #1,437 most populous county in the US. The median age is 48.6 years, which is 24.9% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Washington County is $56,024, ranking #2,404 out of 3,222 counties — 25.4% below the national median. The poverty rate is 17.1% and unemployment stands at 6.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Washington County is $161,800 (-42.6% vs national). Renters pay a median of $783/mo and the homeownership rate is 79.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Washington County, 24.7% of adults age 25+ hold a bachelor's degree or higher, which is 26.7% below the national average, ranking #1,268 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Washington County is 72.3 years. 17.3% of adults report poor or fair health and 11.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.6% of adults in Washington County smoke , 37.7% are obese , and 21.5% report excessive drinking. The drug overdose death rate is 75.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Washington County is 5.0 per 100,000 and the suicide rate is 28.4 per 100,000. Motor vehicle deaths occur at a rate of 20.9 per 100,000.
Suicide Rate Trend
Families & Children
20.7% of children in Washington County live in poverty . The teen birth rate is 17.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Washington County is 70.6%. The mean commute time is 23.8 min, which is 13.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Washington County voted Republican with a margin of 23.5%. The vote was 37.5% Dem / 61% Rep. Compared to 2020, the margin shifted 3.8 toward Republicans .
Vote Share Over Time
About Washington County, Maine
Washington County, Maine has a total population of 31,331, making it the 1,437th most populous county in the United States. The median age in Washington County is 48.6 years, which is 24.9% above the national median of 38.9 years.
The median household income in Washington County is $56,024, which ranks #2,404 of 3,222 counties nationwide. This is 25.4% below the national median of $75,149. The poverty rate is 17.1%, higher than the national rate of 12.6%. The unemployment rate stands at 6.3%.
The median home value in Washington County is $161,800, 42.6% below the national median. Renters in Washington County pay a median gross rent of $783 per month. The homeownership rate is 79.7%, compared to the national rate of 64.4%.
In Washington County, 24.7% of residents aged 25 and older hold a bachelor's degree or higher, 26.7% below the national average of 33.7%. Health insurance coverage stands at 90.9% of the population. The average commute time for workers is 23.8 min.
Washington County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 87.6% of the population, followed by American Indian (non-Hispanic) (4.4%) and Two or More Races (4.1%).
All data for Washington County, Maine comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.