
Crystal City
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 4.515
- State:
- Missouri
Crystal City is a city located in Jefferson County, Missouri. Crystal City has a 2025 population of 4,705. Crystal City is currently declining at a rate of -0.13% annually and its population has decreased by -0.61% since the most recent census, which recorded a population of 4,734 in 2020.
The average household income in Crystal City is $78,022 with a poverty rate of 14.5%. The median age in Crystal City is 43.2 years: 41.7 years for males, and 44.8 years for females.