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Johnson County, Missouri facts for kids

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Johnson County
Johnson County Courthouse in Warrensburg
Johnson County Courthouse in Warrensburg
Map of Missouri highlighting Johnson County
Location within the U.S. state of Missouri
Map of the United States highlighting Missouri
Missouri's location within the U.S.
Country  United States
State  Missouri
Founded December 13, 1834
Named for Richard Mentor Johnson
Seat Warrensburg
Largest city Warrensburg
Area
 • Total 833 sq mi (2,160 km2)
 • Land 829 sq mi (2,150 km2)
 • Water 3.9 sq mi (10 km2)  0.5%
Population
 (2010)
 • Total 52,595
 • Estimate 
(2018)
53,652
 • Density 63.14/sq mi (24.378/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 4th

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 with a 2018 estimate of 53,652. Its county seat is Warrensburg. The county was formed December 13, 1834 from Lafayette County and named for Vice President Richard Mentor Johnson.

Johnson County comprises the Warrensburg 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%
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

Education

Public schools

  • Chilhowee R-IV School District – Chilhowee
    • Chilhowee Elementary School (P–6)
    • Chilhowee High School (7–12)
  • Holden R-III School District – Holden
    • Holden Elementary School (P–5)
    • Holden Intermediate School (3–5)
    • Holden Middle School (6–8)
    • Holden High School (9–12)
  • Johnson County R-VII School District – Centerview
    • Crest Ridge Elementary School (P–5)
    • Crest Ridge Middle School (6–8)
    • Crest Ridge High School (9–12)
  • Kingsville R-I School District – Kingsville
    • Kingsville Elementary School (K–6)
    • Kingsville High School (7–12)
  • Knob Noster R-VIII School District – Knob Noster
    • Knob Noster Elementary School (P–5)
    • Whiteman Air Force Base Elementary School (P–5) – Whiteman
    • Knob Noster Middle School (6–8)
    • Knob Noster High School (9–12)
  • Leeton R-X School District – Leeton
    • Leeton Elementary School (P–5)
    • Leeton Middle School (6–8)
    • Leeton High School (9–12)
  • Warrensburg R-VI School District – Warrensburg
    • Reese Early Childhood Education Center
    • Maple Grove Elementary School (P–2)
    • Ridge View Elementary School (P–2)
    • Martin Warren Elementary School (3–5)
    • Sterling Elementary School (3–5)
    • Warrensburg Middle School (6–8)
    • Warrensburg High School (9–12)
    • Warrensburg Area Career Center

Private schools

  • Johnson County Christian Academy – Centerview (K–9) – Nondenominational Christian

Post-secondary

Public libraries

  • Holden Public Library
  • Trails Regional Library
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