Wichita County (standard abbreviation: WH) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 2,234. Its county seat is Leoti.
According to the U.S. Census Bureau, the county has a total area of 719 square miles (1,860 km), virtually all of which is land.
As of the census of 2000, there were 2,531 people, 967 households, and 723 families residing in the county. The population density was 4 people per square mile (1/km²). There were 1,119 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 86.25% White, 0.08% Black or African American, 0.71% Native American, 0.08% Asian, 10.51% from other races, and 2.37% from two or more races. 18.41% of the population were Hispanic or Latino of any race.
There were 967 households out of which 35.10% had children under the age of 18 living with them, 65.30% were married couples living together, 5.80% had a female householder with no husband present, and 25.20% were non-families. 23.70% of all households were made up of individuals and 10.00% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.07.
In the county, the population was spread out with 28.70% under the age of 18, 7.30% from 18 to 24, 25.70% from 25 to 44, 22.30% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 104.40 males. For every 100 females age 18 and over, there were 102.60 males.
The median income for a household in the county was $33,462, and the median income for a family was $41,034. Males had a median income of $27,523 versus $18,807 for females. The per capita income for the county was $16,720. About 11.20% of families and 14.80% of the population were below the poverty line, including 23.20% of those under age 18 and 4.70% of those age 65 or over.