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3 Cities and towns
Geography\nAccording to the U.S. Census Bureau, the county has a total area of 1,577 km² (609 mi²). 1,560 km² (602 mi²) of it is land and 17 km² (7 mi²) of it is water. The total area is 1.07% water.
Demographics\nAs of the census2 of 2000, there are 41,765 people, 16,052 households, and 10,738 families residing in the county. The population density is 27/km² (69/mi²). There are 19,426 housing units at an average density of 12/km² (32/mi²). The racial makeup of the county is 98.16% White, 0.79% Black or African American, 0.11% Native American, 0.34% Asian, 0.00% Pacific Islander, 0.08% from other races, and 0.52% from two or more races. 0.41% of the population are Hispanic or Latino of any race.
There are 16,052 households out of which 28.60% have children under the age of 18 living with them, 54.90% are married couples living together, 8.40% have a female householder with no husband present, and 33.10% are non-families. 26.00% of all households are made up of individuals and 11.30% have someone living alone who is 65 years of age or older. The average household size is 2.46 and the average family size is 2.95.
In the county, the population is spread out with 21.60% under the age of 18, 15.40% from 18 to 24, 25.20% from 25 to 44, 22.70% from 45 to 64, and 15.20% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 93.30 males. For every 100 females age 18 and over, there are 90.40 males.
Cities and towns\n*Ashland Township\n*Beaver Township\n*Brady Township\n*Callensburg\n*Clarion Township\n*Clarion\n*East Brady\n*Elk Township\n*Emlenton\n*Farmington Township\n*Foxburg\n*Hawthorn\n*Highland Township\n*Knox Township\n*Knox\n*Licking Township\n*Limestone Township\n*Madison Township\n*Millcreek Township\n*Monroe Township\n*New Bethlehem\n*Paint Township\n*Perry Township\n*Piney Township\n*Porter Township\n*Redbank Township\n*Richland Township\n*Rimersburg\n*Salem Township\n*Shippenville\n*Sligo\n*St. Petersburg\n*Strattanville\n*Toby Township\n*Washington Township