Washington County, Maryland Demographics 2026

Population Overview

Washington County is located in Maryland with a total population of 155,033. It is the 11th most populous county out of 24 in Maryland.

Age Demographics

The median age in Washington County is 41.0 years. This is 4% higher than the state median of 39.3 years.

Economy, Income & Housing

The median household income in Washington County is $74,157. This is 27% lower than the state median of $101,652. Compared to the national median of $78,538, household income here is 6% lower. The poverty rate stands at 12.5%. This is 33% higher than the state poverty rate of 9.3%. The unemployment rate is 4.9%. This is 1% lower than the state rate of 4.9%. The median home value is $275,900. Housing costs are 31% lower than the state median of $397,700. The home-value-to-income ratio is 3.7x. 65.9% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 67.5%.

Race & Ethnicity

The largest racial or ethnic group in Washington County is White (non-Hispanic), making up 74.5% of the population. Black or African American residents account for 11.3%. The White (non-Hispanic) population is significantly higher than the state average (74.5% vs 47.4%). The Black or African American population (11.3%) is well below the state average of 29.2%. The Asian population (1.7%) is well below the state average of 6.4%.

Education

23.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 42.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.7%.