Minnetonka is a city in Hennepin County, Minnesota, United States. A western suburb of the Twin Cities, Minnetonka is located about 10 mi…Minnetonka is a city in Hennepin County, Minnesota, United States. A western suburb of the Twin Cities, Minnetonka is located about 10 miles west of downtown Minneapolis. At the 2020 census, the city's population was 53,781.