Glen Allen is located in Marion County, AL. The population is 479, making Glen Allen the 8th largest city in Marion County.
There are 0 public schools in Glen Allen with an average Homefacts rating of NA. The total crime rate for Glen Allen is high, and there are 0 registered sex offenders residing in the city. Unemployment in Glen Allen is moderate and the median home sales price is $0. Detailed and up-to-date Glen Allen property reports are available for any property address.