Stevens County (standard abbreviation: SV) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 5,724. Its county seat is Hugoton. The county is named for the Reconstruction era Pennsylvania politician Thaddeus Stevens.
According to the U.S. Census Bureau, the county has a total area of 727 square miles (1,880 km), of which 727 square miles (1,880 km) is land and 0.2 square miles (0.52 km) (0.02%) is water.
As of the census of 2000, there were 5,463 people, 1,988 households, and 1,457 families residing in the county. The population density was 8 people per square mile (3/km²). There were 2,265 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 83.01% White, 0.93% Black or African American, 0.93% Native American, 0.24% Asian, 0.02% Pacific Islander, 13.25% from other races, and 1.61% from two or more races. 21.73% of the population were Hispanic or Latino of any race.
There were 1,988 households out of which 38.80% had children under the age of 18 living with them, 63.10% were married couples living together, 7.10% had a female householder with no husband present, and 26.70% were non-families. 24.30% of all households were made up of individuals and 12.10% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.27.
In the county, the population was spread out with 31.20% under the age of 18, 8.30% from 18 to 24, 27.80% from 25 to 44, 19.40% from 45 to 64, and 13.30% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 95.30 males. For every 100 females age 18 and over, there were 92.50 males.
The median income for a household in the county was $41,830, and the median income for a family was $49,063. Males had a median income of $36,525 versus $22,803 for females. The per capita income for the county was $17,814. About 8.30% of families and 10.30% of the population were below the poverty line, including 15.10% of those under age 18 and 4.70% of those age 65 or over.