Reno County (standard abbreviation: RN) is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 64,511. The largest city and county seat is Hutchinson.
According to the U.S. Census Bureau, the county has a total area of 1,272 square miles (3,290 km), of which 1,255 square miles (3,250 km) is land and 17 square miles (44 km) (1.3%) is water. It is the third-largest county by area in Kansas.
The Hutchinson Micropolitan Statistical Area includes all of Reno County.
As of the census of 2000, there were 64,790 people, 25,498 households, and 17,313 families residing in the county. The population density was 52 people per square mile (20/km²). There were 27,625 housing units at an average density of 22 per square mile (8/km²). The racial makeup of the county was 91.56% White, 2.88% Black or African American, 0.58% Native American, 0.45% Asian, 0.04% Pacific Islander, 2.69% from other races, and 1.81% from two or more races. 5.65% of the population were Hispanic or Latino of any race.
There were 25,498 households out of which 30.30% had children under the age of 18 living with them, 55.90% were married couples living together, 8.70% had a female householder with no husband present, and 32.10% were non-families. 27.90% 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 2.41 and the average family size was 2.94.
In the county, the population was spread out with 24.50% under the age of 18, 9.30% from 18 to 24, 26.90% from 25 to 44, 22.90% from 45 to 64, and 16.40% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 100.90 males. For every 100 females age 18 and over, there were 99.00 males.
The median income for a household in the county was $35,510, and the median income for a family was $42,643. Males had a median income of $31,495 versus $21,329 for females. The per capita income for the county was $18,520. About 8.10% of families and 10.90% of the population were below the poverty line, including 13.90% of those under age 18 and 8.50% of those age 65 or over.