Washington County, Ohio Demographics 2026

Population Overview

Washington County is located in Ohio with a total population of 59,318. It is the 43rd most populous county out of 88 in Ohio. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Washington County is 44.1 years. This is 11% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Washington County is $61,355. This is 12% lower than the state median of $69,680. Compared to the national median of $78,538, household income here is 22% lower. The poverty rate stands at 12.9%. This is 3% lower than the state poverty rate of 13.2%. The unemployment rate is 4.7%. This is 4% lower than the state rate of 4.9%. The median home value is $174,100. Housing costs are 13% lower than the state median of $199,200. With a home-value-to-income ratio of just 2.8x, Washington County is one of the most affordable housing markets in the area. 74.8% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 67.0%.

Race & Ethnicity

Washington County has a predominantly White (non-Hispanic) population, comprising 93.8% of all residents. Hispanic or Latino residents account for 1.2%. The Black or African American population (1.0%) is well below the state average of 12.1%. The Hispanic or Latino population (1.2%) is well below the state average of 4.6%. The Asian population (0.7%) is well below the state average of 2.4%.

Education

20.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% lower than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.