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Clinton County, Ohio

Clinton County is a county located in the U.S. State of Ohio. As of 2000, the population is 40,543. It is named in honor of the first Governor of New York as a state, George Clinton. Its county seat is Wilmington6.


According to the U.S. Census Bureau, the county has a total area of 1,068 km² (412 mi²). 1,064 km² (411 mi²) of it is land and 4 km² (1 mi²) of it is water. The total area is 0.34% water.


As of the census2 of 2000, there are 40,543 people, 15,416 households, and 11,068 families residing in the county. The population density is 38/km² (99/mi²). There are 16,577 housing units at an average density of 16/km² (40/mi²). The racial makeup of the county is 95.99% White, 2.19% Black or African American, 0.26% Native American, 0.38% Asian, 0.00% Pacific Islander, 0.20% from other races, and 0.97% from two or more races. 0.66% of the population are Hispanic or Latino of any race.

There are 15,416 households out of which 34.70% have children under the age of 18 living with them, 57.40% are married couples living together, 10.10% have a female householder with no husband present, and 28.20% are non-families. 23.70% of all households are made up of individuals and 9.90% have someone living alone who is 65 years of age or older. The average household size is 2.56 and the average family size is 3.03.

In the county the population is spread out with 26.40% under the age of 18, 10.20% from 18 to 24, 29.10% from 25 to 44, 22.10% from 45 to 64, and 12.20% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 96.10 males. For every 100 females age 18 and over, there are 92.70 males.

The median income for a household in the county is $40,467, and the median income for a family is $48,158. Males have a median income of $34,448 versus $23,846 for females. The per capita income for the county is $18,462. 8.60% of the population and 6.40% of families are below the poverty line. Out of the total people living in poverty, 9.90% are under the age of 18 and 11.60% are 65 or older.

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