Washington County, Maine Demographics 2026

Population Overview

Washington County is located in Maine with a total population of 31,261. It is the 14th most populous county out of 16 in Maine. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Washington County is 48.6 years. This is 8% higher than the state median of 44.8 years. 10.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Washington County is $52,237. This is 27% lower than the state median of $71,773. Compared to the national median of $78,538, household income here is 33% lower. The poverty rate stands at 17.8%. This is 65% higher than the state poverty rate of 10.8%. The unemployment rate is 6.6%. This is 69% higher than the state rate of 3.9%. The median home value is $147,100. Housing costs are 45% lower than the state median of $266,400. With a home-value-to-income ratio of just 2.8x, Washington County is one of the most affordable housing markets in the area. 78.0% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 74.0%.

Race & Ethnicity

Washington County has a predominantly White (non-Hispanic) population, comprising 88.0% of all residents. Hispanic or Latino residents account for 2.4%. The Black or African American population (0.7%) is well below the state average of 1.6%. The Asian population (0.3%) is well below the state average of 1.1%.

Education

24.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.2%.