Johnson County, Missouri facts for kids

Kids Encyclopedia Facts
Johnson County, Missouri
Map
Map of Missouri highlighting Johnson County
Location in the state of Missouri
Map of the USA highlighting Missouri
Missouri's location in the U.S.
Statistics
Founded December 13, 1834
Seat Warrensburg
Largest City Warrensburg
Area
 - Total
 - Land
 - Water

833 sq mi (2,157 km²)
829 sq mi (2,147 km²)
3.9 sq mi (10 km²), 0.5%
PopulationEst.
 - (2015)
 - Density

53,951
63/sq mi (24/km²)
Time zone Central: UTC-6/-5
Website: www.jococourthouse.com
Named for: Richard M. Johnson

Johnson County is a county located in western portion of the U.S. state of Missouri. As of the 2010 census, the population was 52,595. Its county seat is Warrensburg. The county was formed December 13, 1834 from Lafayette County and named for Vice President Richard M. Johnson.

Johnson County comprises the Warrensburg, MO Micropolitan Statistical Area, which is also included in the Kansas City-Overland Park-Kansas City, MO-KS Combined Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 833 square miles (2,160 km2), of which 829 square miles (2,150 km2) is land and 3.9 square miles (10 km2) (0.5%) is water.

Adjacent counties

Major highways

  • US 50.svg U.S. Route 50
  • MO-2.svg Route 2
  • MO-13.svg Route 13
  • MO-23.svg Route 23
  • MO-58.svg Route 58
  • MO-131.svg Route 131

Demographics

Historical population
Census Pop.
1840 4,471
1850 7,464 66.9%
1860 14,614 95.8%
1870 24,648 68.7%
1880 28,172 14.3%
1890 28,132 −0.1%
1900 27,843 −1.0%
1910 26,297 −5.6%
1920 24,899 −5.3%
1930 22,413 −10.0%
1940 21,617 −3.6%
1950 20,716 −4.2%
1960 28,981 39.9%
1970 34,172 17.9%
1980 39,059 14.3%
1990 42,514 8.8%
2000 48,258 13.5%
2010 52,595 9.0%
Est. 2015 53,951 2.6%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2015

As of the census of 2000, there were 48,258 people, 17,410 households, and 11,821 families residing in the county. The population density was 58 people per square mile (22/km²). There were 18,886 housing units at an average density of 23 per square mile (9/km²). The racial makeup of the county was 90.12% White, 4.33% Black or African American, 0.65% Native American, 1.43% Asian, 0.13% Pacific Islander, 1.29% from other races, and 2.05% from two or more races. Approximately 2.92% of the population were Hispanic or Latino of any race.

There were 17,410 households out of which 35.10% had children under the age of 18 living with them, 55.90% were married couples living together, 8.50% had a female householder with no husband present, and 32.10% were non-families. 22.70% of all households were made up of individuals and 7.10% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 3.07.

In the county, the population was spread out with 25.10% under the age of 18, 20.20% from 18 to 24, 27.60% from 25 to 44, 17.80% from 45 to 64, and 9.30% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 101.90 males. For every 100 females age 18 and over, there were 100.40 males.

The median income for a household in the county was $35,391, and the median income for a family was $43,050. Males had a median income of $28,901 versus $21,376 for females. The per capita income for the county was $16,037. About 9.50% of families and 14.90% of the population were below the poverty line, including 15.20% of those under age 18 and 10.80% of those age 65 or over.

Communities

Cities

Town

Villages

Census-designated places

Other unincorporated places


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