Butler County, Pennsylvania Demographics 2026

Population Overview

Butler County is located in Pennsylvania with a total population of 197,254. It is the 19th most populous county out of 67 in Pennsylvania. The county encompasses 33 Census-designated places.

Age Demographics

The median age in Butler County is 43.4 years. This is 6% higher than the state median of 40.9 years.

Economy, Income & Housing

The median household income in Butler County is $89,843. 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 8.2%. This is 30% lower than the state poverty rate of 11.7%. The unemployment rate is 4.4%. This is 16% lower than the state rate of 5.3%. The median home value is $294,200. Housing costs are 16% higher than the state median of $254,500. The home-value-to-income ratio is 3.3x. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 69.3%.

Race & Ethnicity

Butler County has a predominantly White (non-Hispanic) population, comprising 92.3% of all residents. Hispanic or Latino residents account for 2.0%. The Black or African American population (1.1%) is well below the state average of 10.3%. The Hispanic or Latino population (2.0%) is well below the state average of 8.7%. The Asian population (1.4%) is well below the state average of 3.8%.

Education

39.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% 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 95.7%.

Data Sources & Methodology

All figures for Butler County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Pennsylvania and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.