Clarksville, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 219, 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 Pennsylvania, within Greene County. The total population is 219. It ranks as the 1692nd most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Clarksville is 37.7 years. This is 8% lower than the state median of 40.9 years. With 30.1% 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 $89,545. This is 15% higher than the state median of $77,971. It is also 11% higher than the national median of $80,734. The poverty rate stands at 9.1%. This is 22% lower than the state poverty rate of 11.7%. The unemployment rate is 17.1%. This is 226% higher than the state rate of 5.3%. The median home value is $118,800. Housing costs are 53% lower than the state median of $254,500. With a home-value-to-income ratio of just 1.3x, Clarksville is one of the most affordable housing markets in the area. 91.0% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 69.3%.

Race & Ethnicity

Clarksville has a predominantly White (non-Hispanic) population, comprising 95.9% of all residents. Hispanic or Latino residents account for 0.5%. The Hispanic or Latino population (0.5%) is well below the state average of 8.7%.

Education

43.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% higher than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.7%. Notably, 15.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Clarksville, Pennsylvania 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 Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.