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3 Cities and towns
Geography\nAccording to the U.S. Census Bureau, the county has a total area of 2,161 km² (834 mi²). 2,148 km² (829 mi²) of it is land and 13 km² (5 mi²) of it is water. The total area is 0.60% water.
Demographics\nAs of the census2 of 2000, there are 89,605 people, 34,123 households, and 22,521 families residing in the county. The population density is 42/km² (108/mi²). There are 37,250 housing units at an average density of 17/km² (45/mi²). The racial makeup of the county is 96.87% White, 1.57% Black or African American, 0.08% Native American, 0.74% Asian, 0.01% Pacific Islander, 0.16% from other races, and 0.58% from two or more races. 0.51% of the population are Hispanic or Latino of any race.
There are 34,123 households out of which 27.90% have children under the age of 18 living with them, 54.30% are married couples living together, 8.20% have a female householder with no husband present, and 34.00% are non-families. 26.50% of all households are made up of individuals and 11.80% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 2.99.
In the county, the population is spread out with 21.10% under the age of 18, 16.60% from 18 to 24, 24.80% from 25 to 44, 22.70% from 45 to 64, and 14.90% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 94.00 males. For every 100 females age 18 and over, there are 90.60 males.
Cities and towns\n*Armagh\n*Armstrong Township\n*Banks Township\n*Black Lick Township\n*Black Lick\n*Blairsville\n*Brush Valley Township\n*Buffington Township\n*Burrell Township\n*Canoe Township\n*Center Township\n*Cherry Tree\n*Cherryhill Township\n*Chevy Chase Heights\n*Clymer\n*Commodore\n*Conemaugh Township\n*Creekside\n*Dicksonville\n*East Mahoning Township\n*East Wheatfield Township\n*Ernest\n*Glen Campbell\n*Grant Township\n*Green Township\n*Heilwood\n*Homer City\n*Indiana\n*Jacksonville\n*Lucerne Mines\n*Marion Center\n*Montgomery Township\n*North Mahoning Township\n*Pine Township\n*Plumville\n*Rayne Township\n*Rossiter\n*Saltsburg\n*Shelocta\n*Smicksburg\n*South Mahoning Township\n*Washington Township\n*West Mahoning Township\n*West Wheatfield Township\n*White Township\n*Young Township