Putnam County, Ohio Demographics 2026

Population Overview

Putnam County is located in Ohio with a total population of 34,352. It is the 70th most populous county out of 88 in Ohio.

Age Demographics

The median age in Putnam County is 40.0 years. This is 1% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Putnam County is $82,785. This is 19% higher than the state median of $69,680. Compared to the national median of $78,538, household income here is 5% higher. The poverty rate stands at 7.1%. This is 46% lower than the state poverty rate of 13.2%. The unemployment rate is 2.1%. This is 56% lower than the state rate of 4.9%. The median home value is $191,600. Housing costs are 4% lower than the state median of $199,200. With a home-value-to-income ratio of just 2.3x, Putnam County is one of the most affordable housing markets in the area. 85.8% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 67.0%.

Race & Ethnicity

Putnam County has a predominantly White (non-Hispanic) population, comprising 91.0% of all residents. Hispanic or Latino residents account for 6.6%. The Black or African American population (0.5%) is well below the state average of 12.1%. The Asian population (0.2%) is well below the state average of 2.4%.

Education

26.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% 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 94.7%.