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Jackson County, Iowa

Jackson County is a county located in the U.S. State of Iowa. As of 2000, the population is 20,296. Its county seat is Maquoketa, Iowa6.

Geography According to the U.S. Census Bureau, the county has a total area of 1,683 km² (650 mi²). 1,647 km² (636 mi²) of it is land and 35 km² (14 mi²) of it is water. The total area is 2.10% water.

Demographics As of the census of 2000, there are 20,296 people, 8,078 households, and 5,589 families residing in the county. The population density is 12/km² (32/mi²). There are 8,949 housing units at an average density of 5/km² (14/mi²). The racial makeup of the county is 98.96% White, 0.10% African American, 0.12% Native American, 0.09% Asian, 0.11% Pacific Islander, 0.15% from other races, and 0.47% from two or more races. 0.60% of the population are Hispanic or Latino of any race.

There are 8,078 households out of which 32.00% have children under the age of 18 living with them, 58.20% are married couples living together, 7.70% have a female householder with no husband present, and 30.80% are non-families. 27.00% of all households are made up of individuals and 13.80% 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 3.01.

In the county the population is spread out with 26.00% under the age of 18, 7.00% from 18 to 24, 26.50% from 25 to 44, 23.20% from 45 to 64, and 17.30% who are 65 years of age or older. The median age is 39 years. For every 100 females there are 97.10 males. For every 100 females age 18 and over, there are 93.90 males.

The median income for a household in the county is $34,529, and the median income for a family is $42,526. Males have a median income of $29,334 versus $20,577 for females. The per capita income for the county is $17,329. 10.30% of the population and 7.70% of families are below the poverty line. Out of the total people living in poverty, 13.90% are under the age of 18 and 8.90% are 65 or older.

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