Hanover is a city in Wright and Hennepin counties in the U.S. state of Minnesota. The population was 3,548 at the 2020 census. Hanover i…Hanover is a city in Wright and Hennepin counties in the U.S. state of Minnesota. The population was 3,548 at the 2020 census. Hanover is mainly located within Wright County; only a small part of the city extends into Hennepin County.