Centralia URL: https://knowledge.ivjn.us/en/places/il-centralia.html Centralia is a city in Illinois, United States. ## Overview Centralia is a city in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 12,655[^geonames]. ## Geography - Coordinates: 38.5251, -89.1334 Updated: 2026-10-29 Relations: - Located in: Marion County https://knowledge.ivjn.us/en/places/il-marion-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip