Centralia Flag

Centralia

County:
Lewis County
County Seat:
No
Area (mi²):
7.621
State:
Washington

Centralia is a city located in Lewis County, Washington. Centralia has a 2025 population of 19,077. Centralia is currently growing at a rate of 0.86% annually and its population has increased by 4.42% since the most recent census, which recorded a population of 18,269 in 2020.

The average household income in Centralia is $69,191 with a poverty rate of 19.87%.The median age in Centralia is 37.8 years: 35.1 years for males, and 39.9 years for females.

19.1K
Total Population
2,503
Density (mi²)
162 0.86%
Growth

Centralia Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)