Science Fair Project Encyclopedia
Center Township, Butler County, Pennsylvania
According to the United States Census Bureau, the township has a total area of 63.4 km² (24.5 mi²). 63.3 km² (24.5 mi²) of it is land and 0.1 km² (0.04 mi²) of it is water. The total area is 0.16% water.
As of the census2 of 2000, there are 8,182 people, 3,333 households, and 2,346 families residing in the township. The population density is 129.2/km² (334.7/mi²). There are 3,482 housing units at an average density of 55.0/km² (142.4/mi²). The racial makeup of the township is 98.26% White, 0.44% African American, 0.04% Native American, 0.57% Asian, 0.01% Pacific Islander, 0.24% from other races, and 0.43% from two or more races. 0.34% of the population are Hispanic or Latino of any race.
There are 3,333 households out of which 28.6% have children under the age of 18 living with them, 60.7% are married couples living together, 7.2% have a female householder with no husband present, and 29.6% are non-families. 26.3% of all households are made up of individuals and 13.0% have someone living alone who is 65 years of age or older. The average household size is 2.42 and the average family size is 2.93.
In the township the population is spread out with 22.0% under the age of 18, 6.6% from 18 to 24, 26.7% from 25 to 44, 26.8% from 45 to 64, and 17.9% who are 65 years of age or older. The median age is 42 years. For every 100 females there are 93.1 males. For every 100 females age 18 and over, there are 88.9 males.
The median income for a household in the township is $42,406, and the median income for a family is $50,731. Males have a median income of $42,443 versus $25,473 for females. The per capita income for the township is $21,790. 5.8% of the population and 2.9% of families are below the poverty line. Out of the total population, 6.8% of those under the age of 18 and 6.2% of those 65 and older are living below the poverty line.
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