Centralia is a very small city located in the state of Missouri. With a population of 4,807 people and two associated neighborhoods, Centralia is the 151st largest community in Missouri.

Centralia is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

In terms of college education, Centralia is substantially better educated than the typical community in the nation, which has 21.84% of the adults holding a bachelor's degree or graduate degree: 33.52% of adults in Centralia have a college degree.

The per capita income in Centralia in 2022 was $29,937, which is middle income relative to Missouri, and lower middle income relative to the rest of the US. This equates to an annual income of $119,748 for a family of four. However, Centralia contains both very wealthy and poor people as well.

Centralia is a somewhat ethnically-diverse city. The people who call Centralia home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Centralia residents report their race to be White, followed by Black or African-American. Important ancestries of people in Centralia include German, English, Irish, European, and French.

The most common language spoken in Centralia is English. Other important languages spoken here include Italian and Polish.