Jefferson County, Ohio Demographics 2026

Population Overview

Jefferson County is located in Ohio with a total population of 64,855. It is the 39th most populous county out of 88 in Ohio. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Jefferson County is 44.2 years. This is 12% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Jefferson County is $56,983. This is 18% lower than the state median of $69,680. Compared to the national median of $78,538, household income here is 27% lower. The poverty rate stands at 16.9%. This is 28% higher than the state poverty rate of 13.2%. The unemployment rate is 5.0%. This is 3% higher than the state rate of 4.9%. The median home value is $120,600. Housing costs are 39% lower than the state median of $199,200. With a home-value-to-income ratio of just 2.1x, Jefferson County is one of the most affordable housing markets in the area. 71.8% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 67.0%.

Race & Ethnicity

Jefferson County has a predominantly White (non-Hispanic) population, comprising 88.9% of all residents. Black or African American residents account for 5.4%. The Black or African American population (5.4%) is well below the state average of 12.1%. The Hispanic or Latino population (1.8%) is well below the state average of 4.6%. The Asian population (0.6%) is well below the state average of 2.4%.

Education

20.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% 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%.