Clermont County, Ohio Demographics 2026

Population Overview

Clermont County is located in Ohio with a total population of 209,862. It is the 14th most populous county out of 88 in Ohio.

Age Demographics

The median age in Clermont County is 40.8 years. This is 3% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Clermont County is $83,178. This is 19% higher than the state median of $69,680. Compared to the national median of $78,538, household income here is 6% higher. The poverty rate stands at 8.8%. This is 33% lower than the state poverty rate of 13.2%. The unemployment rate is 4.1%. This is 16% lower than the state rate of 4.9%. The median home value is $245,600. Housing costs are 23% higher than the state median of $199,200. The home-value-to-income ratio is 3.0x. 73.4% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 67.0%.

Race & Ethnicity

Clermont County has a predominantly White (non-Hispanic) population, comprising 91.3% of all residents. Hispanic or Latino residents account for 2.4%. The Black or African American population (1.5%) is well below the state average of 12.1%. The Asian population (1.1%) is well below the state average of 2.4%.

Education

31.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 1% higher 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 91.8%.