Dickinson County (county code DK) is a county in Central Kansas. As of the 2010 census, the county population was 19,754. Its county seat and most populous city is Abilene. The county was named in honor of Daniel S. Dickinson.
According to the U.S. Census Bureau, the county has an area of 852 square miles (2,210 km), of which 847 square miles (2,190 km) is land and 4.9 square miles (13 km) (0.6%) is water.
As of the 2000 census, there were 19,344 people, 7,903 households, and 5,421 families residing in the county. The population density was 23 people per square mile (9/km²). There were 8,686 housing units at an average density of 10 per square mile (4/km²). The county’s racial makeup was 96.44% White, 0.58% Black or African American, 0.49% Native American, 0.30% Asian, 0.01% Pacific Islander, 0.82% from other races, and 1.36% from two or more races. Hispanic or Latino of any race were 2.30% of the population.
There were 7,903 households, of which 31.10% had children under the age of 18 living with them, 57.90% were married couples living together, 7.70% had a female householder with no husband present, and 31.40% were non-families. 28.10% of households were made up of individuals and 14.10% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.94.
In the county, the population was spread out with 25.70% under the age of 18, 6.30% from 18 to 24, 26.30% from 25 to 44, 23.10% from 45 to 64, and 18.60% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 95.10 males. For every 100 females age 18 and over, there were 91.60 males.
The county’s median household income was $35,975, and the median family income was $43,952. Males had a median income of $30,889 versus $18,526 for females. The per capita income in the county was $17,780. About 5.30% of families and 7.50% of the population were below the poverty line, including 8.70% of those under age 18 and 11.30% of those age 65 or over.