Butler County
Click on a municipality below to see its 1850 census rolls.
Townships:
Buffalo Township
Centre Township
Cherry Township
Clearfield Township
Cranberry Township
Donegal Township
East Connoquenessing Township
Fairview Township
Franklin Township
Mercer Township
Middlesex Township
Muddy Creek Township
North Butler Township
Parker Township
Slippery Rock Township
South Butler Township
Venango Township
Washington Township
West Connoquenessing Township