Centralia, Illinois

Centralia population, 2020 to 2024

Centralia lost 357 residents from July 2020 to July 2024, a change of -2.9%. In the latest year it moved by -51. Among 330 Illinois places of 5,000 or more, that growth ranks 292nd; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Centralia is 80% of it.

Centralia covers 8.20 square miles of land and 1.03 of water, for 1,437 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Centralia is less dense than the typical town.

The 3 counties Centralia spans

Centralia crosses county lines. The Census county-part estimates split its 11,787 residents as follows; Marion County holds 81.8% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Centralia

1 ZIP Code Tabulation Area (ZCTA) overlaps Centralia by at least 10% of the ZCTA's or the city's land: 62801. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Centralia is

The Census internal point of Centralia is at 38.522100, -89.123500. Springfield, the capital, is 91.4 miles NNW in a straight line. The nearest larger place is Mount Vernon, IL (14,162 people), 18.2 miles away. The nearest city of 100,000 or more is St. Louis, MO, 61.1 miles away.

Daylight in Centralia

At 38.52° N, Centralia gets about 14 h 52 min of daylight around the June solstice and 9 h 29 min around the December solstice, a swing of 5 h 23 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Centralia

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Central City, 1.8 miles away, with 1,067 people.