
Centralia
- County:
- Boone County
- County Seat:
- No
- Area (mi²):
- 2.912
- State:
- Missouri
Centralia is a city located in Boone County, Missouri. Centralia has a 2025 population of 4,839. Centralia is currently growing at a rate of 1.17% annually and its population has increased by 6.1% since the most recent census, which recorded a population of 4,561 in 2020.
The average household income in Centralia is $62,088 with a poverty rate of 11.99%. The median age in Centralia is 45.4 years: 36.2 years for males, and 49.7 years for females.