Jefferson County, Missouri
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Jefferson County is a county located in the state of Missouri, and included the mean center of U.S. population in 1980. As of 2000, the population is 198,099. Its county seat is Hillsboro.
Map_of_Missouri_highlighting_Jefferson_County.png
Image:Map of Missouri highlighting Jefferson County.png
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Geography
According to the U.S. Census Bureau, the county has a total area of 1,720 km² (664 mi²). 1,701 km² (657 mi²) of it is land and 19 km² (7 mi²) of it is water. The total area is 1.10% water.
Adjacent counties
- St. Louis County (north)
- Monroe County, Illinois, across the Mississippi River (east)
- Ste. Genevieve County (southeast)
- St. Francois County (south)
- Washington County (southwest)
- Franklin County (west)
Demographics
As of the census2 of 2000, there are 198,099 people, 71,499 households, and 54,553 families residing in the county. The population density is 116/km² (302/mi²). There are 75,586 housing units at an average density of 44/km² (115/mi²). The racial makeup of the county is 97.48% White, 0.68% Black or African American, 0.29% Native American, 0.36% Asian, 0.01% Pacific Islander, 0.24% from other races, and 0.93% from two or more races. 1.01% of the population are Hispanic or Latino of any race.
There are 71,499 households out of which 38.90% have children under the age of 18 living with them, 61.00% are married couples living together, 10.40% have a female householder with no husband present, and 23.70% are non-families. 18.90% of all households are made up of individuals and 6.10% have someone living alone who is 65 years of age or older. The average household size is 2.74 and the average family size is 3.12.
In the county the population is spread out with 27.90% under the age of 18, 8.50% from 18 to 24, 31.80% from 25 to 44, 22.50% from 45 to 64, and 9.20% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 98.90 males. For every 100 females age 18 and over, there are 95.90 males.
The median income for a household in the county is $46,338, and the median income for a family is $51,787. Males have a median income of $37,822 versus $25,440 for females. The per capita income for the county is $19,435. 6.80% of the population and 4.90% of families are below the poverty line. Out of the total population, 8.10% of those under the age of 18 and 6.30% of those 65 and older are living below the poverty line.
Cities and towns
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- † incorporated
School Districts
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County Government
The county commission is charged with running the county. There are three members; As of April 2005, the commission members are Edward L. Kemp (1st District Commissioner), Pat Lamping (2nd District Commissioner), and Mark Mertens (Presiding Commissioner).
In addition to standard elected positions, The commissioners appoint leaders of the following Boards/Commissions:
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County Parks and Recreation
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External links
- Jefferson County Online (http://www.jeffcomo.org/index.html)
- Jefferson County Sherriff's Department (http://www.jcsd.org)