The city of Centralia is located within the counties of Audrain and Boone. It covers a total area of 7.36 sq. km. The educated and trained workforce is involved in businesses related to industries involved in arts and crafts, apparel, commercial printing, information technology, pharmaceuticals, health, insurance, industrial and commercial machinery, metal, oil and lubrication, real estate and tourism, contribute to the local economy in a positive way. Commercial spaces are utilized by restaurants, riding academics, service station and parks.