Centralia is a city located in Washington. With a 2020 population of 18,245, it is the 60th largest city in Washington and the 1990th largest city in the United States. Centralia is currently growing at a rate of 2.10% annually and its population has increased by 11.69% since the most recent census, which recorded a population of 16,336 in 2010. Spanning over 8 miles, Centralia has a population density of 2,409 people per square mile.
The average household income in Centralia is $52,049 with a poverty rate of 21.43%. The median rental costs in recent years comes to $855 per month, and the median house value is $145,800. The median age in Centralia is 37.5 years, 35.7 years for males, and 39.5 years for females. For every 100 females there are 95.9 males.