Fairfield County, Ohio Demographics 2026

Population Overview

Fairfield County is located in Ohio with a total population of 161,289. It is the 20th most populous county out of 88 in Ohio. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Fairfield County is 39.5 years. This is about average than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Fairfield County is $87,069. This is 25% higher than the state median of $69,680. Compared to the national median of $78,538, household income here is 11% higher. The poverty rate stands at 8.2%. This is 38% lower than the state poverty rate of 13.2%. The unemployment rate is 3.6%. This is 26% lower than the state rate of 4.9%. The median home value is $272,200. Housing costs are 37% higher than the state median of $199,200. The home-value-to-income ratio is 3.1x. 74.2% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.0%.

Race & Ethnicity

The largest racial or ethnic group in Fairfield County is White (non-Hispanic), making up 82.0% of the population. Black or African American residents account for 8.9%.

Education

31.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% 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 94.0%.