Groton is located in Brown County, SD. The population is 1,555, making Groton the 2nd largest city in Brown County.
There are 3 public schools in Groton with an average Homefacts rating of A. The total crime rate for Groton is very low , and there are 5 registered sex offenders residing in the city. Unemployment in Groton is low and the median home sales price is $0. Detailed and up-to-date Groton property reports are available for any property address.
Cities near Groton include Groton Township, Henry Township and East Hanson Township.