University City
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 5.882
- State:
- Missouri
University City is a city located in St. Louis County, Missouri. University City has a 2026 population of 34,349. University City is currently declining at a rate of -0.11% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 35,170 in 2020.