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3 Cities and towns
Geography\nAccording to the U.S. Census Bureau, the county has a total area of 1,150 km² (444 mi²). 1,125 km² (434 mi²) of it is land and 25 km² (10 mi²) of it is water. The total area is 2.18% water.
Demographics\nAs of the census2 of 2000, there are 181,412 people, 72,576 households, and 50,512 families residing in the county. The population density is 161/km² (418/mi²). There are 77,765 housing units at an average density of 69/km² (179/mi²). The racial makeup of the county is 92.55% White, 5.96% Black or African American, 0.10% Native American, 0.25% Asian, 0.01% Pacific Islander, 0.20% from other races, and 0.92% from two or more races. 0.72% of the population are Hispanic or Latino of any race.
There are 72,576 households out of which 28.60% have children under the age of 18 living with them, 54.50% are married couples living together, 11.40% have a female householder with no husband present, and 30.40% are non-families. 26.90% of all households are made up of individuals and 13.10% have someone living alone who is 65 years of age or older. The average household size is 2.44 and the average family size is 2.96.
In the county, the population is spread out with 22.60% under the age of 18, 7.40% from 18 to 24, 27.30% from 25 to 44, 24.20% from 45 to 64, and 18.40% who are 65 years of age or older. The median age is 41 years. For every 100 females there are 91.90 males. For every 100 females age 18 and over, there are 88.20 males.
Cities and towns\n*Aliquippa\n*Ambridge\n*Baden\n*Beaver Falls\n*Beaver\n*Big Beaver\n*Bridgewater\n*Brighton Township\n*Center Township\n*Chippewa Township\n*Conway\n*Darlington Township\n*Darlington\n*Daugherty Township\n*East Rochester\n*Eastvale\n*Economy\n*Ellwood City\n*Fallston\n*Frankfort Springs\n*Franklin Township\n*Freedom\n*Georgetown\n*Glasgow\n*Greene Township\n*Hanover Township\n*Harmony Township\n*Homewood\n*Hookstown\n*Hopewell Township\n*Independence Township\n*Industry\n*Koppel\n*Marion Township\n*Midland\n*Monaca\n*New Brighton\n*New Galilee\n*New Sewickley Township\n*North Sewickley Township\n*Ohioville\n*Patterson Heights\n*Patterson Township\n*Potter Township\n*Pulaski Township\n*Raccoon Township\n*Rochester Township\n*Rochester\n*Shippingport\n*South Beaver Township\n*South Heights\n*Vanport Township\n*West Mayfield\n*White Township