Allendale is located in Allendale County, SC. The population is 3,474, making Allendale the largest city in Allendale County.
There are 0 public schools in Allendale with an average Homefacts rating of D. The total crime rate for Allendale is very low , and there are 2 registered sex offenders residing in the city. Unemployment in Allendale is high and the median home sales price is $0. Detailed and up-to-date Allendale property reports are available for any property address.