Hennessey is a town in Kingfisher County, Oklahoma, United States. The population was 2,131 at the 2010 census, up from 2,058 in 2000.
U.S. Route 81 in Hennessey, October 2016
Kingfisher County, Oklahoma
Kingfisher County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 15,184. Its county seat is Kingfisher. The county was formed in 1890 and named Kingfisher by a vote of residents.
Post Office in Kingfisher (2014)