Johnson County, Missouri
Johnson County is a county located in western portion of the U.S. state of Missouri. As of the 2020 census, the population was 54,013. 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, of which is land and is water.Adjacent counties
Major highways
Demographics
2020 census
As of the 2020 census, the county had a population of 54,013 and a median age of 32.1 years. 22.5% of residents were under the age of 18 and 13.8% were 65 years of age or older. For every 100 females there were 102.4 males overall and 101.7 males age 18 and over.There were 20,321 households in the county, of which 31.2% had children under the age of 18 living with them and 21.1% had a female householder with no spouse or partner present. About 26.8% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older.
There were 22,601 housing units, of which 10.1% were vacant. Among occupied housing units, 61.8% were owner-occupied and 38.2% were renter-occupied. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 9.9%.
The racial makeup of the county was 84.0% White, 4.4% Black or African American, 0.6% American Indian and Alaska Native, 1.6% Asian, 0.4% Native Hawaiian and Pacific Islander, 1.3% from some other race, and 7.8% from two or more races. Hispanic or Latino residents of any race comprised 4.8% of the population.
About 47.2% of residents lived in urban areas, while 52.8% lived in rural areas.
Racial and ethnic composition
| Race | Num. | Perc. |
| White | 44,415 | 82.23% |
| Black or African American | 2,309 | 4.27% |
| Native American | 259 | 0.48% |
| Asian | 821 | 1.52% |
| Pacific Islander | 210 | 0.39% |
| Other/Mixed | 3,404 | 6.3% |
| Hispanic or Latino | 2,595 | 4.8% |
2000 census
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. There were 18,886 housing units at an average density of. 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.
Education
Public schools
- Chilhowee R-IV School District – Chilhowee
- *Chilhowee Elementary School
- *Chilhowee High School
- Holden R-III School District – Holden
- *Holden Elementary School
- *Holden Intermediate School
- *Holden Middle School
- *Holden High School
- Johnson County R-VII School District – Centerview
- *Crest Ridge Elementary School
- *Crest Ridge Middle School
- *Crest Ridge High School
- Kingsville R-I School District – Kingsville
- *Kingsville Elementary School
- *Kingsville High School
- Knob Noster R-VIII School District – Knob Noster
- *Knob Noster Elementary School
- *Whiteman Air Force Base Elementary School – Whiteman
- *Knob Noster Middle School
- *Knob Noster High School
- Leeton R-X School District – Leeton
- *Leeton Elementary School
- *Leeton Middle School
- *Leeton High School
- Warrensburg R-VI School District – Warrensburg
- *Reese Early Childhood Education Center
- *Maple Grove Elementary School
- *Ridge View Elementary School
- *Martin Warren Elementary School
- *Sterling Elementary School
- *Warrensburg Middle School
- *Warrensburg High School
- *Warrensburg Area Career Center
Private schools
- Johnson County Christian Academy – Centerview – Nondenominational Christian
Post-secondary
- University of Central Missouri – Warrensburg – A public, four-year university
Public libraries
- Holden Public Library
- Trails Regional Library
Politics
Local
The Republican Party predominantly controls politics at the local level in Johnson County. Republicans hold all elected offices in Johnson County.State
Johnson County is divided into four legislative districts in the Missouri House of Representatives, all of which are held by Republicans.- District 51 — . Consists of the eastern half of the city of Warrensburg.
- District 52 — . Consists of the community of Knob Noster, and Whiteman Air Force Base.
- District 53 — . Consists of the northern section of the county.
- District 54 — . Consists of western half of the city of Warrensburg and the communities of Centerview, Chilhowee, Holden, Kingsville, La Tour, and Leeton.