Killen is located in Lauderdale County, AL. The population is 1,488, making Killen the 3rd largest city in Lauderdale County.
There are 3 public schools in Killen with an average Homefacts rating of A. The total crime rate for Killen is moderate, and there are 15 registered sex offenders residing in the city. Unemployment in Killen is moderate and the median home sales price is $0. Detailed and up-to-date Killen property reports are available for any property address.