Butler, city (2020 pop. 12,699), seat of Butler co., W Pa.; inc. as a borough 1817, as a city 1917. It is located in an area with coal, natural gas, oil, and limestone resources. Glass and plastic products, machinery, and abrasives are made. Moraine State Park is there.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: U.S. Political Geography