
Centralia
- County:
- Dubuque County
- County Seat:
- No
- Area (mi²):
- 0.621
- State:
- Iowa
Centralia is a city located in Dubuque County, Iowa. Centralia has a 2025 population of 117. Centralia is currently declining at a rate of 0% annually and its population has increased by 0.86% since the most recent census, which recorded a population of 116 in 2020.
The average household income in Centralia is $84,715 with a poverty rate of 11.2%. The median age in Centralia is 37.4 years: 38.5 years for males, and 34.5 years for females.