Business planning by county
Butler County, Pennsylvania
Use a county reference when organizing a market-research brief, outreach territory or business calculation. County population gives geographic context; it does not measure the number of qualified customers.
Identify the right place
Butler County is a county or county equivalent in Pennsylvania. Its five-digit FIPS code is 42019; preserve the leading zero when storing county codes as text. The Gazetteer lists 6.18 square miles of water and a representative point at 40.913847, -79.918978. That point identifies the geography; it is not a street address or a site boundary.
Open this county in Census data · Download this county as JSON
Business planning by county checklist
- Define who the offer is for before selecting an area.
- Distinguish residents, businesses and potential customers in the calculation.
- Keep source dates and assumptions attached to your working file.
These are geographic reference records, not contact lists or verified sales leads.
Sources and interpretation
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.
Population is an estimate, not a live count. Gazetteer land and water measures describe the geographic area; they do not measure service availability, households, businesses or market demand. Match the FIPS code and source vintage when joining another dataset.
More county references in Pennsylvania
- Bucks County
Pennsylvania · FIPS 42017
647,828 residents · 2025 estimate
- Cambria County
Pennsylvania · FIPS 42021
128,968 residents · 2025 estimate