The south-western border one mile "notch" intoMarion County was established under unusual circumstances. A murder had occurred and Marion County didn't want to have the trial, so a section one mile wide and eighteen miles long was permanently ceded to Chase County to ensure the murder had occurred there.[6]
According to theU.S. Census Bureau, the county has a total area of 778 square miles (2,020 km2), of which 773 square miles (2,000 km2) is land and 4.7 square miles (12 km2) (0.6%) is water.[11]
As of the2000 census,[19] there were 3,030 people, 1,246 households, and 817 families residing in the county. Thepopulation density was 4 people per square mile (1.5 people/km2). There were 1,529 housing units at an average density of 2 per square mile (0.77/km2). Theracial makeup of the county was 96.90%White, 1.02%Black orAfrican American, 0.56%Native American, 0.13%Asian, 0.56% from other races, and 0.83% fromtwo or more races.Hispanic orLatino of any race were 1.75% of the population.
There were 1,246households, out of which 28.30% had children under the age of 18 living with them, 54.60% weremarried couples living together, 7.60% had a female householder with no husband present, and 34.40% were non-families. 31.10% of all households were made up of individuals, and 14.90% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.92.
In the county, the population was spread out, with 24.10% under the age of 18, 6.50% from 18 to 24, 26.60% from 25 to 44, 24.10% from 45 to 64, and 18.70% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 103.90 males. For every 100 females age 18 and over, there were 99.40 males.
Themedian income for a household in the county was $32,656, and the median income for a family was $39,848. Males had a median income of $27,402 versus $21,528 for females. Theper capita income for the county was $17,422. About 4.10% of families and 8.60% of the population were below thepoverty line, including 10.00% of those under age 18 and 6.30% of those age 65 or over.
Following amendment to theKansas Constitution in 1986, the county remained a prohibition, or"dry", county until 1988, when voters approved the sale of alcoholic liquor by the individual drink with a 30% food sales requirement.[21]
Chase County is divided into ninetownships. None of the cities within the county are consideredgovernmentally independent, and all figures for the townships include those of the cities. In the following table, the population center is the largest city (or cities) included in that township's population total, if it is of a significant size.
^"Map of Wet and Dry Counties". Alcoholic Beverage Control, Kansas Department of Revenue. November 2006. Archived fromthe original on October 8, 2007. RetrievedDecember 26, 2007.