Butler County Flag

Butler County

State:
Pennsylvania
County Seat:
Butler

Butler County's estimated 2025 population is 200,017 with a growth rate of 0.34% in the past year according to the most recent United States census data. Butler County is the 19th largest county in Pennsylvania. The 2010 population was 184,085 and has seen a growth of 8.65% since that time.

200,017
Total Population
254
Population Density (mi²)
19
Population Rank (State)
676 0.34%
Annual Population Growth

Butler County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)