| Boroughs |
Township |
Formation Date |
| Addison |
Addison |
Laid out in 1798 ad incorporated in February 28, 1912 |
| Benson |
Paint |
Laid out in 1880 and incorporated on Nov 15 1892 |
| Berlin |
Brothersvalley |
Laid out in 1784 and incorporated on February 7 1833 |
| Boswell |
Jenners |
Laid out in 1901 and incorporated in 1904 |
| Callimont |
Northampton |
. |
| Casselman |
Upper Turkeyfoot |
Laid out in 1869 and was incorporated in 1891 |
| Central City |
Shade |
. |
| Confluence |
Lower Turkeyfoot |
Laid out in 1870 and was incorporated in 1873 |
| Garrett |
Summit |
Laid out in 1869 and incorporated in 1900 |
| Indian Lake |
Shade |
. |
| Hooversville |
Quemahoning |
Laid out in 1836 and incorporated in 1896 |
| Jennerstown |
Jenners |
Laid out in 1822 and incorporated in 1874 |
| Meyersdale |
Summit |
Laid out in 1844 and incorporated in 1871 |
| New Baltimore |
Allegheny |
Laid out in 1829 and incorporated in 1874 |
| New Centerville |
Milford |
Laid out in 1834 and incorporated on March 6, 1854 |
| Paint |
Paint |
Incorporated in 1900 |
| Rockwood |
Black |
Laid out in 1857 and incorporated in 1885 |
| Salisbury |
Elk Lick |
Laid out in 1796 and incorporated in 1862 |
| Seven Springs |
Jefferson |
. |
| Shanksville |
Stonycreek |
Laid out in 1829 and incorporated on 25 January 1913 |
| Somerset |
Somerset |
Laid out in 1795 and incorporated on 5 March 1804 |
| Stoystown |
Quemahoning |
Laid out in 1774 and incorporated on 19 March 1819 |
| Ursina |
Lower Turkeyfoot |
Laid out in 1868 and incorporated in 1872 |
| Wellersburg |
Southampton |
Laid out in 1830 and incorporated in 1857 |
| Windber |
Paint |
Laid out in 1897 and incorporated on 3 July 1900 |