Allen is located in Bennett County, SD. The population is 431, making Allen the 2nd largest city in Bennett County.
There are 1 public schools in Allen with an average Homefacts rating of NA. The total crime rate for Allen is very low , and there are 11 registered sex offenders residing in the city. Unemployment in Allen is moderate and the median home sales price is $0. Detailed and up-to-date Allen property reports are available for any property address.
Cities near Allen include West Bennett, Martin and Batesland.