Harmon County is a county in the southwest corner of the U.S. state of Oklahoma. As of the 2020 Census, the population was 2,488, making it the second-least populous county in Oklahoma, behind only Cimarron County. It has lost population in every census since 1930. The county seat is Hollis.
Harmon County Courthouse in January 2015
Hollis is a city in and the county seat of Harmon County, Oklahoma, United States. The population was 2,060 at the 2010 census.
Harmon County Courthouse
left to right: Glenn, Don, Ray, Darrell Royal - Hollis, OK