Killen is located in Alabama. Killen, Alabama has a population of 1,018. Killen is more family-centric than the surrounding county with 32% of the households containing married families with children. The county average for households married with children is 26%.
The median household income in Killen, Alabama is $65,630. The median household income for the surrounding county is $50,615 compared to the national median of $66,222. The median age of people living in Killen is 45.5 years.
The average high temperature in July is 90.6 degrees, with an average low temperature in January of 30.7 degrees. The average rainfall is approximately 55.8 inches per year, with inches of snow per year.