Donegal township is located in Westmoreland County, Pennsylvania. Donegal township has a 2026 population of 2,180. Donegal township is currently declining at a rate of -0.09% annually and its population has decreased by -0.68% since the most recent census, which recorded a population of 2,195 in 2020.
The median household income in Donegal township is $63,411 with a poverty rate of 11.18%. The median age in Donegal township is 54.8 years: 54.4 years for males, and 56.4 years for females. For every 100 females there are 116.7 males.