Logan is a city in Cache County, Utah, United States. The 2020 census recorded the population was 52,778. Logan is the county seat of Cache County and the principal city of the Logan metropolitan area, which includes Cache County and Franklin County, Idaho. The Logan metropolitan area contained 147,908 people as of the 2020 census. Logan is the location of the main campus of Utah State University. The Logan metropolitan area has been named the No.1 "Top Small City" in the United States by the 2022 Milken Institute Best Performing Cities (BPC) analysis for its economic vitality, which emphasizes jobs, wages, and high-tech growth while incorporating housing affordability and household broad-band access.