According to the U.S. Census Bureau, the county has a total area of, of which is land and is water. The county is drained by the Wichita River and other streams.
As of the census of 2000, there were 131,664 people, 48,441 households, and 32,891 families residing in the county. The population density was 210 people per square mile. There were 53,304 housing units at an average density of 85 per square mile. The racial makeup of the county was 78.76% White, 10.23% Black or African American, 0.89% Native American, 1.84% Asian, 0.09% Pacific Islander, 5.51% from other races, and 2.68% from two or more races. 12.23% of the population were Hispanic or Latino of any race. There were 48,441 households out of which 33.60% had children under the age of 18 living with them, 52.30% were married couplesliving together, 11.90% had a female householder with no husband present, and 32.10% were non-families. In 2000, there were 1,869 unmarried partner households: 1,677 heterosexual, 94 same-sex male, and 98 same-sex female. 27.20% of all households were made up of individuals and 10.60% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.04. In the county, the population was spread out with 25.20% under the age of 18, 13.70% from 18 to 24, 29.00% from 25 to 44, 19.50% from 45 to 64, and 12.70% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 103.80 males. For every 100 females age 18 and over, there were 103.40 males. The median income for a household in the county was $33,780, and the median income for a family was $40,937. Males had a median income of $28,687 versus $21,885 for females. The per capita income for the county was $16,965. About 10.30% of families and 13.20% of the population were below the poverty line, including 17.40% of those under age 18 and 9.80% of those age 65 or over.
Government and infrastructure
The Wichita Falls entrepreneur and industrialist Joseph A. Kemp served from 1883 to 1885 as a school board member and then for an appointed term and two elected terms as the treasurer of Wichita County. From 1917 to 1921, he was a regent of the University of Texas System. The Texas Department of Criminal Justice James V. Allred Unit is located in Wichita Falls. Wichita County Commissioner Court members: County Judge Woodrow “Woody” Gossom, Commissioner Pct. 1 Mark Beauchamp, Commissioner Pct. 2 Lee Harvey, Commissioner Pct. 3 Barry Mahler, and Commissioner Pct. 4 Jeff Watts The Sheriff of Wichita County is David Duke. He first took office on January 1, 2009.
In 2008, Wichita County cast the majority of its votes for Republican John McCain. He won 69% of the vote and 31,673 votes. Democrat Barack Obama received 30% of the vote and 13,828 votes. Other candidates received 1% of the vote. In 2004, Republican George W. Bush did better than John McCain and won 71% of the vote and 32,472 votes. Democrat John F. Kerry won 28% of the vote and 12,819 votes.
