Hennessey is located in Oklahoma. Hennessey, Oklahoma has a population of 2,680. Hennessey is less family-centric than the surrounding county with 31.24% of the households containing married families with children. The county average for households married with children is 36.34%.
The median household income in Hennessey, Oklahoma is $40,726. The median household income for the surrounding county is $61,657 compared to the national median of $69,021. The median age of people living in Hennessey is 37.2 years.
The average high temperature in July is 94.3 degrees, with an average low temperature in January of 24 degrees. The average rainfall is approximately 34.9 inches per year, with 7.4 inches of snow per year.
