
Jefferson City
- County:
- Cole County
- County Seat:
- Yes
- Area (mi²):
- 36.06
- State:
- Missouri
Jefferson City is a city located in Cole County, Missouri. Jefferson City has a 2025 population of 42,570. It is also the county seat of .Jefferson City is currently growing at a rate of 0.02% annually and its population has increased by 0.11% since the most recent census, which recorded a population of 42,524 in 2020.
The average household income in Jefferson City is $86,608 with a poverty rate of 12.54%. The median age in Jefferson City is 39.1 years: 38 years for males, and 40.6 years for females.