Midway is a city in northwestern Wasatch County, Utah, United States. It is located in the Heber Valley, approximately 3 miles west of Heber Cit…Midway is a city in northwestern Wasatch County, Utah, United States. It is located in the Heber Valley, approximately 3 miles west of Heber City and 28 miles southeast of Salt Lake City, on the opposite side of the Wasatch Mountains. The population was 6,003 at the 2020 census.