First-order administrative division in Butler County, Pennsylvania

B

Borough of Bruin Borough of Callery Borough of Cherry Valley Borough of Chicora Borough of Connoquenessing Borough of East Butler Borough of Eau Claire Borough of Evans City Borough of Fairview Borough of Harmony Borough of Harrisville Borough of Karns City Borough of Mars Borough of Petrolia Borough of Portersville Borough of Prospect Borough of Saxonburg Borough of Seven Fields Borough of Slippery Rock Borough of Valencia Borough of West Liberty Borough of West Sunbury Borough of Zelienople Butler County

C

City of Butler

T

Township of Adams Township of Allegheny Township of Brady Township of Buffalo Township of Butler Township of Center Township of Cherry Township of Clay Township of Clearfield Township of Clinton Township of Concord Township of Connoquenessing Township of Cranberry Township of Donegal Township of Fairview Township of Forward Township of Franklin Township of Jackson Township of Jefferson Township of Lancaster Township of Marion Township of Mercer Township of Middlesex Township of Muddy Creek Township of Oakland Township of Parker Township of Penn Township of Slippery Rock Township of Summit Township of Venango Township of Washington Township of Winfield Township of Worth