Finney County is a county located in the U.S. state of Kansas. Its county seat and most populous city is Garden City. As of the 2020 census, the county population was 38,470. The county was named for David Finney, the Lieutenant Governor of Kansas from 1881 and 1885. In 2020, 51.4 percent of the population in the county was Hispanic, one of a few counties in Kansas with a Hispanic majority population.