Columbia, Illinois

Columbia population, 2020 to 2024

Columbia lost 115 residents from July 2020 to July 2024, a change of -1.0%. In the latest year it moved by -74. Among 330 Illinois places of 5,000 or more, that growth ranks 171st; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Columbia is 74% of it.

Columbia covers 10.55 square miles of land and 0.06 of water, for 1,035 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Columbia is less dense than the typical town.

The 2 counties Columbia spans

Columbia crosses county lines. The Census county-part estimates split its 10,919 residents as follows; Monroe County holds 98.2% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Columbia

1 ZIP Code Tabulation Area (ZCTA) overlaps Columbia by at least 10% of the ZCTA's or the city's land: 62236. 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 Columbia is

The Census internal point of Columbia is at 38.458100, -90.216000. Springfield, the capital, is 96.3 miles NNE in a straight line. The nearest larger place is Cahokia Heights, IL (17,052 people), 8.5 miles away. The nearest city of 100,000 or more is St. Louis, MO, 12.4 miles away.

Daylight in Columbia

At 38.46° N, Columbia gets about 14 h 51 min of daylight around the June solstice and 9 h 29 min around the December solstice, a swing of 5 h 22 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Columbia

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Dupo, 4.0 miles away, with 3,797 people.