Clarksville, Ohio Demographics & Population 2026

A note before these figures: with a population of 573, Clarksville's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Clarksville is a small community located in Ohio, within Clinton County. The total population is 573. It ranks as the 852nd most populous out of 1,264 Census-designated places in Ohio.

Age Demographics

The median age in Clarksville is 30.2 years. This is 24% lower than the state median of 39.7 years. With 28.3% of the population under 18, Clarksville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Clarksville is $63,611. This is 11% lower than the state median of $71,389. It is also 21% lower than the national median of $80,734. The poverty rate stands at 22.9%. This is 72% higher than the state poverty rate of 13.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 15.3%. This is 222% higher than the state rate of 4.8%. The median home value is $158,800. Housing costs are 26% lower than the state median of $214,800. With a home-value-to-income ratio of just 2.5x, Clarksville is one of the most affordable housing markets in the area. 49.6% of occupied housing units are owner-occupied. This homeownership rate is 26% lower than the state average of 67.2%.

Race & Ethnicity

Clarksville has a predominantly White (non-Hispanic) population, comprising 96.3% of all residents. Black or African American residents account for 1.4%. The Black or African American population (1.4%) is well below the state average of 12.0%. The Hispanic or Latino population (0.2%) is well below the state average of 4.8%.

Education

10.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 66% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.7%.

Data Sources & Methodology

All demographic data for Clarksville, Ohio is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.