Johnson County, Kansas

administration
Johnson County Courthouse
US state :	Kansas
Administrative headquarters :	Olathe
Address of the administrative headquarters:	County Courthouse 111 South Cherry Olathe, KS 66061-3421
Foundation :	1855
Made up from:	Original County
Area code :	001 913
Demographics
Residents :	544,179 (2010)
Population density :	440.6 inhabitants / km ²
geography
Total area :	1244 km²
Water surface :	9 km²
map

Website : www.jocogov.org

The Johnson County is a county in the US state of Kansas . The county seat is Olathe .

Johnson County is part of the Kansas City metropolitan area .

geography

The county is located in eastern Kansas, bordering Missouri, and has an area of 1,244 square kilometers, of which 9 square kilometers are water. It borders on the following counties:

Leavenworth County	Wyandotte County
Douglas County		Jackson County, Missouri
Franklin County	Miami County	Cass County, Missouri

history

Johnson County was formed in 1855 as the original county from the Kansas Territory that was designated as free - but actually populated by Indians - and is one of the first 33 counties that were formed by the first Territorial Administration. It was named after Reverend Thomas Johnson (1802-1865), a Methodist missionary and member of the administration of the Kansas Territory, who was killed by Confederate partisans in the American Civil War .

A branch of the Santa Fe Trail runs through the county, and Wild Bill Hickok settled here for some time in 1858 .

Johnson County has a National Historic Landmark , the Shawnee Mission . A total of 24 buildings and sites in the county are listed on the National Register of Historic Places (as of August 30, 2017).

Demographic data

growth of population
Census	Residents	± in%
1860	4364	-
1870	13,648	212.7%
1880	16,853	23.5%
1890	17,385	3.2%
1900	18,104	4.1%
1910	18,288	1 %
1920	18,314	0.1%
1930	21,179	15.6%
1940	33,327	57.4%
1950	62,783	88.4%
1960	143,792	129%
1970	220.073	53%
1980	270.269	22.8%
1990	357.048	32.1%
2000	451.086	26.3%
2010	544.179	20.6%
before 1900 1900–1990 2010 2000 + 2010

According to the 2010 census , Johnson County had 544,179 people in 201,911 households. The population density was 365.3 inhabitants per square kilometer.

The racial the population was composed of 86.0 percent white, 4.3 percent African American, 0.4 percent Native American, 4.2 percent Asian and other ethnic groups; 2.5 percent were descended from two or more races. Hispanic or Latino of any race was 7.2 percent of the population.

Statistically, 2.58 people lived in the 201,911 households.

25.4 percent of the population were under 18 years old, 63.9 percent were between 18 and 64 and 10.7 percent were 65 years or older. 50.6 percent of the population was female.

The median income for a household was 72,006 USD . The per capita income was $ 37,118. 6.8 percent of the population lived below the poverty line.

cities and communes

Citys

^{1 - partly in Leavenworth and Wyandotte County

2 - partly in Leavenworth County

3 - partly in Wyandotte County

4 - partly in Miami County}

Unincorporated Communities

Townships

Individual evidence

↑ GNIS-ID: 485010. Retrieved on February 22, 2011 (English).

^ National Association of Counties.Retrieved October 12, 2011

↑ Listing of National Historic Landmarks by State: Kansas . National Park Service , accessed August 30, 2017.

↑ Search mask database in the National Register Information System. National Park Service , accessed August 30, 2017.

^ US Census Bureau - Census of Population and Housing.Retrieved March 15, 2011

↑ Extract from Census.gov.Retrieved February 17, 2011

↑ United States Census 2010.Retrieved October 12, 2011

↑ Extract from census.gov (2000 + 2010) ( Memento of the original from July 12, 2011 on WebCite ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved April 2, 2012 @1@ 2

↑ US Census Bureau, State & County QuickFacts - Johnson County ( Memento of the original from July 12, 2011 on WebCite ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved October 11, 2011 @1@ 2

Web links

Commons : Johnson County, Kansas - Collection of pictures, videos, and audio files

38.78 -94.684166666667Coordinates: 38 ° 47 ' N , 94 ° 41' W

[1] GNIS-ID: 485010. Retrieved on February 22, 2011 (English).

[2] National Association of Counties.Retrieved October 12, 2011

[3] Listing of National Historic Landmarks by State: Kansas . National Park Service , accessed August 30, 2017.

[4] Search mask database in the National Register Information System. National Park Service , accessed August 30, 2017.

[5] US Census Bureau - Census of Population and Housing.Retrieved March 15, 2011

[6] Extract from Census.gov.Retrieved February 17, 2011

[7] United States Census 2010.Retrieved October 12, 2011