Butler County Pennsylvania Population 2024 Census Records

Butler County Pennsylvania Population 2024 Census Records. Butler county, pennsylvania's estimated 2024 population is 199,458 with a growth rate of 0.53% in the past year according to the most recent united states census data. Quickfacts provides statistics for all states and counties.

The estimated population of butler county, pennsylvania is 192,561 people, with a median age of 43.3. Discover butler county, pa’s population & how it has changed over time.