University City, city, St. Louis County, eastern Missouri, a residential community adjoining St. Louis; incorporated 1906. The community, founded during the St. Louis World's Fair in 1904, is probably named for its proximity to Washington University, in St. Louis. University City pottery, now a collector's item, was produced here from 1910 to 1914. Population 42,738 (1980); 40,087 (1990); 37,428 (2000).