Surprise Valley Township is located in Mellette County, SD. The population is NR.
There are 0 public schools in Surprise Valley Township with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the city. Unemployment in Surprise Valley Township is very high and the median home sales price is $0. Detailed and up-to-date Surprise Valley Township property reports are available for any property address.
Cities near Surprise Valley Township include Blackpipe Township, Ring Thunder Township and New Surprise Valley Township.