Spicer is a city in Kandiyohi County, Minnesota, United States situated on Green Lake. The population was 1,167 at the 2010 census. Sibley St…Spicer is a city in Kandiyohi County, Minnesota, United States situated on Green Lake. The population was 1,167 at the 2010 census. Sibley State Park and many surrounding lakes are nearby. Spicer was platted in 1886, and named for John M. Spicer, the original owner of the town site. A post office has been in operation at Spicer since 1886.