Township
|
Formed
|
| Allegheny |
1796 |
| Bell |
1853 from Loyalhanna and Salem Townships |
| Cook |
1855 from Donegal Township |
| Derry |
1755 from Fairfield Township |
| Donegal |
1773 |
| East Huntingdon |
1798 from South Huntingdon |
| Fairfield |
1773 |
| Franklin (now called Murrysville) |
1786 |
| Hempfield |
1773 |
| Ligonier |
1822 from Fairfield and Donegal Townships |
| Loyalhanna |
1833 from Salem, Derry and Washington Townships |
| Mt. Pleasant |
before 1773 |
| North Huntingdon |
1773 |
| Penn |
1855 from Hempfield, Salem, Franklin and North Huntindon
Townships |
| Rostraver |
1773 |
| St. Clair |
1856 from Fairfield Township |
| Salem |
about 1788 from Hempfield Township |
| Sewickley |
1835 from Huntingdon Township |
| South Huntingdon |
1790 |
| Unity |
1789 from Mt. Pleasant Township |
| Upper Burrell |
1879 from Burrell Township |
| Washington |
1789 from Salem Township |
