Towner is a census-designated place (CDP) in and governed by Kiowa County, Colorado, United States. The population of the Towner CDP was 18 at the United States Census 2020. The Sheridan Lake post office serves Towner postal addresses. Towner's post office closed down in 1992.

Kiowa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 1,446, making it the fifth-least populous county in Colorado. The county seat is Eads. The county was named for the Kiowa Nation of Native Americans.