Prinsburg is a city in Kandiyohi County, Minnesota, United States. The population was 520 at the 2020 census. Prinsburg was originally platt…Prinsburg is a city in Kandiyohi County, Minnesota, United States. The population was 520 at the 2020 census. Prinsburg was originally platted in 1886 by Martin Prins, a partner in the Dutch real estate firm Prins and Zwanenburg. Prins and his business partner Theodore Koch began offering land for sale in and around Prinsburg in 1885, and the town appeared shortly thereafter.