Johnson County, Kansas

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Johnson County, Kansas
Johnson county kansas courthouse 2009.jpg
Johnson Courthouse in Olathe
Map of Kansas highlighting Johnson County
Location in the U.S. state of Kansas
Map of the United States highlighting Kansas
Kansas's location in the U.S.
Founded August 25, 1855
Named for Thomas Johnson
Seat Olathe
Largest city Overland Park
 • Total 480 sq mi (1,243 km2)
 • Land 473 sq mi (1,225 km2)
 • Water 6.5 sq mi (17 km2), 1.4%
Population (est.)
 • (2014) 574,272
 • Density 1,168.2/sq mi (451/km²)
Congressional district 3rd
Time zone Central: UTC-6/-5

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Johnson County (county code JO) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 544,179,[1] making it the most populous county in Kansas. Its county seat is Olathe,[2] and its most populous city is Overland Park.

Johnson County is included in the Kansas City, MO-KS Metropolitan Statistical Area. The county contains many of Kansas City's affluent southwestern suburbs. The county has the highest median household income and highest per-capita income in Kansas and is among the most affluent in the United States, with the 19th highest median household income in 2000 and the 46th highest per-capita income in 2005. In 2010, Money magazine, in its list of the '100 Best Cities in the United States' in which to live, ranked Overland Park 7th (ranked 6th in 2006 and 9th in 2008) and Shawnee 17th (ranked 39th in 2008).[3] In 2008 the same magazine also ranked Olathe 11th.[4]

In the mid-19th century, this was part of the Shawnee Reservation after their removal from east of the Mississippi River. The people were later forced to move to Indian Territory in present-day Ottawa County, Oklahoma.


This was part of the large territory of the Osage people, who occupied lands up to present-day Saint Louis, Missouri. After Indian Removal, the United States government reserved much of this area as Indian territory for a reservation for the Shawnee people, who were relocated from east of the Mississippi River in the upper Midwest.

The Santa Fe Trail and Oregon-California Trail, which pass through nearby Independence, Missouri, also passed through the county. Johnson County was established in 1855 as one of the first counties in the newly organized Kansas Territory; it was named for American missionary Thomas Johnson.[5] The renowned gunfighter Wild Bill Hickok settled for a time in the county, becoming constable of Monticello Township in 1858.

Johnson County was the site of many battles between abolitionists and pro-slavery advocates during the period of Bleeding Kansas, prior to the residents voting on whether slavery would be allowed in the territory. In 1862 during the American Civil War, Confederate guerrillas from nearby Missouri, led by William Quantrill, raided the Johnson County communities of Olathe and Spring Hill. They killed half a dozen men and destroying numerous homes and businesses.[citation needed]

The county was largely rural until the early 20th century, when housing subdivisions were developed in the northeastern portion of the county adjacent to Kansas City, Missouri. Developer J.C. Nichols spurred the boom in 1914 when he built the Mission Hills Country Club to lure upscale residents who previously had been reluctant to move from Missouri to Kansas.[6] Suburban development continued at a steady pace until the close of World War II.

Following the war, the pace of development exploded, triggered by the return of veterans in need of housing, construction of highways that facilitated commuting from suburbs, and the pent-up demand for new housing. The US Supreme Court ruling in Brown v. Board of Education (1954) ruled that segregation of public schools was unconstitutional. Integration of public schools in Kansas City, Missouri resulted in many white families leaving the inner city, resulting in increased migration to the county for new housing and what were considered higher quality public schools, generally an indicator of higher economic status. From the mid-1980s the pace of growth increased significantly, with the county adding 100,000 residents each decade between the 1990 census and 2010 census.

Law and government

Olathe City Hall


Johnson County was a prohibition, or "dry", county until the Kansas Constitution was amended in 1986 and voters approved the sale of alcoholic liquor by the individual drink, with a 30% food sales requirement.[7]

Federal representation

Johnson County is a part of Kansas's 3rd congressional district, which elected Republican Kevin Yoder in the 2010 midterm elections. The two U.S. Senators from Kansas are Republicans Pat Roberts and Jerry Moran. The most affluent county in Kansas, Johnson County is solidly Republican. President George W. Bush received 61% of the vote in 2004. Johnson County has not supported a Democrat on the Presidential ticket since Southerner Woodrow Wilson in the 1916 election.[8][9]

State representation

Johnson County is home to 22 Kansas state representatives and 7 Kansas state senators. 21 out of 22 of Johnson County's representatives are Republicans, as are all 7 of the county's senators.[10][11] Many Johnson County Republicans identify as moderates, the more socially progressive and fiscally conservative faction of the Kansas Republican Party. Johnson County House and Senate members at times come into conflict with representatives from other areas of the state, most notably in 2004 in the debate over school finance.[12]

County Government and unincorporated areas

The county government is administered by an elected, seven-member Board of County Commissioners, with six elected from single-member districts and one at-large.[13] Ed Eilert, former mayor of Overland Park, serves as the current County Chairman. Governance of the county is divided into six districts. The county government has full jurisdiction of the unincorporated areas of the county and limited jurisdiction of those areas of the county within incorporated places. For instance, decisions regarding the regulation of land use, development and zoning in unincorporated areas of the county are the responsibility of the county government, whereas such decisions for areas within incorporated places are the jurisdiction of the incorporated city of which the property is a part.

District Area Served Commissioner Term Expires
One Northeast Ronald L. "Ron" Shaffer January 14, 2019
Two North James Allen January 9, 2017
Three Southeast Steven Klika January 9, 2017
Four East Central Jason Osterhaus January 14, 2019
Five West Central Michael Ashcraft January 14, 2019
Six Western John Toplikar January 9, 2017


Sales taxes

The current sales tax rate in Johnson County is 6.4%, slightly higher than the 6.3% rate in Wyandotte (where Kansas City, Kansas is located).[14] The sales tax rates of each of the surrounding counties are nearly the same as the rate in Johnson County.[14] Individual cities have additional sales taxes.

Property taxes

Property taxes are a conglomeration of state, county, city, and school district taxes. Property tax rates are generally lower in Johnson County because property values in the county are higher than in other counties throughout Kansas.

Property tax rates by city in Johnson County (2005)[15]
City Commercial Real Property Motor Vehicle
De Soto 3.20 1.47 3.84
Gardner 3.39 1.56 4.07
Leawood 3.39 1.56 4.07
Lenexa 2.75 1.26 3.30
Merriam 2.57 1.18 3.08
Olathe 3.09 1.42 3.71
Overland Park 2.31 1.06 2.77
Prairie Village 2.71 1.25 3.25
Shawnee 2.61 1.20 3.13

Note: Some cities have multiple tax rates because they are divided among multiple school districts. The above rates are what exist for the majority of residents in the city.


According to the U.S. Census Bureau, the county has a total area of 480 square miles (1,200 km2), of which 473 square miles (1,230 km2) is land and 6.5 square miles (17 km2) (1.4%) is water.[16]


The natural topography of the county consists of gently rolling terrain. The Kansas River forms a portion of the northwest boundary of the county. The elevation generally increases from north to south as the distance from the Kansas and Missouri rivers increases.

Watersheds and streams

The county is drained by the watersheds of the Kansas, Blue, and Marais des Cygnes, all of which are part of the Missouri River watershed. Located in northeastern Kansas, the county receives plentiful rainfall. The county contains numerous small streams, including Kill Creek, Mill Creek, Turkey Creek, Indian Creek, Brush Creek, Tomahawk Creek, the Blue River, Bull Creek and Little Bull Creek.

Kill Creek begins in the southwest portion of the county and flows northward into the Kansas River at DeSoto. Mill Creek begins in the central portion of the county in Olathe, flowing northward it empties into the Kansas River at Shawnee. Turkey Creek and Brush Creek each begin in northeast Johnson County. Turkey Creek flows northeastward into Wyandotte County and joins the Kansas River just before its confluence with the Missouri River at Kaw Point. Brush Creek flows east-northeastward through Prairie Village and Mission Hills, entering Kansas City, Missouri within the median of Ward Parkway and passing the Country Club Plaza before emptying into the Blue River east of the Country Club Plaza and north of Swope Park. Indian Creek begins in the southern portion of Olathe and Tomahawk Creek begins in south Overland Park. Each flows northeastward meeting in Leawood, where the stream retains the name of Indian Creek, just before crossing the state line and entering the Blue River in Kansas City, Missouri. The Blue River begins in rural southern Johnson County and flows north-northeastward through the southeastern portion of the county and crossing the state line just east of the intersection of 151st Street and Kenneth Road in southern Overland Park. The Blue River flows through southern and eastern Kansas City before joining the Missouri River. Bull Creek and Little Bull Creek begin in rural southwestern Johnson County and flow southward where they enter Hillsdale Lake before continuing into Miami County, eventually joining the Marais des Cygnes at Paola.

Flora and fauna

The county consists primarily of prairie grassland with corridors of forested areas along streams and rivers.

Adjacent counties


Johnson County has a grid network through most of the county, with a road every mile. The grid has facilitated rapid growth and easy access. Interstate 435 runs through much of the county, and serves as a developmental "border" in the northbound–southbound portion. The westbound–eastbound part of I-435 divides the county into a northern and southern section. The northern section is older, while the southern portion is the fastest-growing area in Johnson County, containing a massive volume of new homes.[citation needed]

The Johnson County street grid begins at around Johnson Drive (near 55th Street), and is a continuation of the adjacent Kansas City, Missouri street grid. The grid continues to about 175th Street, with most suburban development ending around 159th Street.

Another principal highway running through the area is Interstate 35, which runs diagonally through the county, entering it near Downtown Kansas City, Missouri and continuing through Olathe and Gardner. Outside the county, it eventually leads to Duluth, Minnesota in the north and the US–Mexico border in the south. U.S. 69 also serves Johnson County, entering from Wyandotte County at the south end of Interstate 635. Much of U.S. 69 within the county is freeway; this freeway eventually heads south and connects to Fort Scott and the rest of southeast Kansas.

Major highways

  • I-35 – Southwest corner with Franklin County northeast through Edgerton, Gardner, Olathe, Lenexa, Overland Park, and Merriam to the northeast corner with downtown Kansas City
  • I-435 – Northern border with Wyandotte County south through Shawnee and Lenexa to K-10 then east through Overland Park and Leawood to the Missouri border
  • K-10 – Western border with Douglas County east through DeSoto, Lenexa, and Olathe to I-435
  • US-69 – Southeast border with Miami County north through Stilwell and Overland Park past I-435 to I-35
  • K-7 - Southern border with Miami County north through Spring Hill, Olathe, Lenexa, and Shawnee to Wyandotte County
  • US-56 - Southwest border with Douglas County east though Edgerton and Gardner to I-35
  • US-169 – Southern border with Miami County. Joins with I-35 in Olathe.
  • I-635 - Starts in Johnson County at I-35 and enters Wyandotte County/Kansas City, KS less than 1000 feet later.

Other major roads

  • Shawnee Mission Parkway – Interchange with K-7 in Shawnee east through Merriam, Mission, Fairway, and Mission Woods then joining up with Ward Parkway in Missouri
  • Metcalf Avenue – Runs parallel with US-69 from Miami County north through Stilwell and Overland Park past I-435 and Shawnee Mission Parkway to join up with I-635 and I-35 in Wyandotte County
  • 135th Street / Santa Fe Street – Interchange with State Line Road at MO-150 in south Kansas City, Missouri, west to Spoon Creek Road. Within the city limits of Olathe, 135th Street is legally known as Santa Fe Street. The numbering system changes to reflect the change in street name.
  • 175/179th Street – Interchange with US-56 and I-35 as 175th St. east to Pflumm Rd. where it turns southeast to become 179th street then east to US-69 and Metcalf Ave.
  • 199th Street – Intersection with US-56 in Edgerton east through Spring Hill and Stilwell to the Missouri border
  • 119th Street – Major street that connects Olathe, Overland Park, and I-35 to each other.
  • 151st Street – Major street that connects I-35 with U.S. 69 skirting the Johnson County Executive Airport and The Great Plains Mall.
  • 83rd Street/87th Street Parkway - Major street that runs from Overland Park to De Soto
  • 95th Street. Runs east and west from State line into Missouri, (east side) past 7 highway in Lenexa. (West side)
  • 75th Street. Runs East and west from State line into Missouri, (east side) to Shawnee Mission Park. (west side).
  • 159th Street. Runs east and west from Kenneth Road (east) into Missouri and to Baldwin City (West). Blue Valley High School and Blue Valley West High are located off 159th, as well as the New Century AirCenter in Gardner.

Public transit

Johnson County Transit is the public transit operator.


Historical population
Census Pop.
1860 4,364
1870 13,684 213.6%
1880 16,853 23.2%
1890 17,385 3.2%
1900 18,104 4.1%
1910 18,288 1.0%
1920 18,314 0.1%
1930 21,179 15.6%
1940 33,327 57.4%
1950 62,783 88.4%
1960 143,792 129.0%
1970 220,073 53.0%
1980 270,269 22.8%
1990 357,048 32.1%
2000 451,086 26.3%
2010 544,179 20.6%
Est. 2014 574,272 [17] 5.5%
U.S. Decennial Census[18]
1790-1960[19] 1900-1990[20]
1990-2000[21] 2010-2014[1]

As of the 2010 census, there were 544,179 people, 210,278 households, and 143,509 families residing in the county. The population density was 1,150 people per square mile (365/km2). There were 226,571 housing units at an average density of 381 per square mile (147/km2). The racial makeup of the county was 86.0% White, 4.2% Asian, 4.3% Black or African American, 0.4% Native American, 0.01% Pacific Islander, 1.55% from other races, and 2.5% from two or more races. Hispanic or Latino of any race were 7.2% of the population. 30.6% identified as of German, 16.8% Irish, 13.6% English and 5.7% American ancestry according to the 2010 census.[22]

There were 210,278 households out of which 34.6% had children under the age of 18 living with them, 56.1% were married couples living together, 8.4% had a female householder with no husband present, and 31.8% were non-families. 25.9% of all households were made up of individuals and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.05.[22]

In the county the population was spread out with 26.3% under the age of 18, 7.60% from 18 to 24, 32.80% from 25 to 44, 22.50% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 36.4 years. 48.8% of the population are males and 51.2% of the population are females.

The median income for a household in the county was $73,733, and the median income for a family was $90,380. Males had a median income of $61,346 versus $43,785 for females. The per capita income for the county was $37,882. About 3.6% of families and 5.5% of the population were below the poverty line, including 7.1% of those under age 18 and 4.9% of those age 65 or over.[22]


File:Blue Valley Southwest High School.jpg
Entrance to BV Southwest in south Overland Park

According to the 2010 Census Bureau, the education attainment of the population 25 years and over: 95.6% high school graduate or higher, 51.1% bachelor's degree or higher, and 17.9% graduate or professional degree.[22]

The Johnson County Library has 13 branches.[23]

Unified school districts

Colleges and universities



*Cities included in Shawnee Mission, a postal designation encompassing cities or regions thereof in northeastern Johnson County, headquarter post office located in Mission.

Unincorporated communities


Johnson County was originally divided into nine townships, two of which have since been eliminated by the annexation of all their territory into independent municipalities. All of the cities are considered governmentally independent and are excluded from the census figures for the townships. In the following table, the population center is the largest city (or cities) included in that township's population total, if it is of a significant size.

Township FIPS Population
Population Population
/km² (/sq mi)
Land area
km² (sq mi)
Water area
km² (sq mi)
Water % Geographic coordinates
Aubry 03225 5,440 43 (112) 126 (49) 0 (0) 0.31% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Gardner 25450 2,143 21 (55) 102 (39) 1 (0) 0.53% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Lexington 39800 De Soto 3,712 10 (25) 135 (52) 2 (1) 1.79% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
McCamish 43625 878 8 (20) 112 (43) 0 (0) 0.34% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Monticello (defunct) 47950 0 0 (0) 0 (0) 0 (0) 0% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Olathe 52600 1,187 27 (70) 44 (17) 0 (0) 0.04% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Oxford 53825 2,020 121 (313) 17 (6) 0 (0) 1.54% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Shawnee (defunct) 64525 0 0 (0) 0 (0) 0 (0) 0% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Spring Hill 67650 2,059 29 (76) 70 (27) 0 (0) 0.30% Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.
Sources: "Census 2000 U.S. Gazetteer Files". U.S. Census Bureau, Geography Division.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

In popular culture

See also


  1. 1.0 1.1 "State & County QuickFacts". United States Census Bureau. Retrieved July 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. "Money Magazine". CNN. Retrieved June 8, 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. "Best Places to Live 2008 – Kansas". Money Magazine. Retrieved 2008-08-11.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 169.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. A Standard History of Kansas and Kansans – William E. Connelly – Lewis Publishing Company – 1918. Retrieved 2012-04-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. "Map of Wet and Dry Counties". Alcoholic Beverage Control, Kansas Department of Revenue. November 2006. Retrieved 2007-12-28.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. "Presidential Election Results by County 1960–Present". 1999-01-24. Retrieved 2012-04-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. "Presidential Election Results by County Pre 1960". Retrieved 2012-04-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  10. Kansas Senate Archived November 24, 2010 at the Wayback Machine
  11. Kansas House of Representatives[dead link]
  12. Milburn, John (2004-08-24). "Lawmakers debate what constitutes 'suitable education'". Retrieved 2012-04-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  13. 13.0 13.1 "Board of County Commissioners |". Retrieved 2012-04-14.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  14. 14.0 14.1 Kansas County Treasurer's Association Kansas Sales Tax Rates by County
  15. Kansas City Area Development Council ThinkKC Property Taxes (accessed 6/7/06)
  16. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  17. "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  18. "U.S. Decennial Census". United States Census Bureau. Retrieved July 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  19. "Historical Census Browser". University of Virginia Library. Retrieved July 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  20. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  21. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 26, 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  22. 22.0 22.1 22.2 22.3
  23. "Our Story". Johnson Countly Library. Retrieved 23 August 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

Further reading

External links

Official sites