Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/COLUMBIA

Columbia ZIP code, Illinois

The ZIP code for Columbia, IL is 62236, and its area codes are 618 and 730.

USPS city name
1 ZIP code
Population
11,127
Area codes
618, 730

Columbia in numbers

About 11,127 people live in Columbia, in 4,448 households. The median household income is $107,606 a year, 29% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $293,000 (11% above the Illinois median), and median gross rent is $1,128 a month. The median age is 42.4; 49.0% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population11,127Columbia11,127
Households4,448Columbia4,448
Median age42.4Columbia42.4Illinois39.0US 38.9
Median household income$107,606Columbia$107,606Illinois$83,390US $80,734
Median home value$293,000Columbia$293,000Illinois$263,300US $332,700
Median gross rent$1,128Columbia$1,128Illinois$1,274US $1,413
Bachelor's degree or higher49.0%Columbia49.0%Illinois37.8%US 35.7%
Mean commute26.4 minColumbia26.4 minIllinois27.8 minUS 26.4 min
Population density1,055 / sq miColumbia1,055 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Columbia city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Columbia

ZIP codes with the USPS city name Columbia
ZIP City Type Population Median income Median home
62236 Columbia , IL Standard 14,154 $108,981 $306,600

Map of Columbia ZIP codes

62236

The ZIP codes of Columbia, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Columbia

The nearest larger towns are Oakville, MO (35,333 people, 5.6 mi), Mehlville, MO (29,805 people, 6.1 mi) and Lemay, MO (16,228 people, 6.4 mi).

Towns near Columbia
TownPopulationDistance
Dupo 3,879 4.0 mi
Oakville, MO 35,333 5.6 mi
Mehlville, MO 29,805 6.1 mi
Lemay, MO 16,228 6.4 mi
Millstadt 4,008 7.0 mi
Green Park, MO 2,690 8.0 mi
Concord, MO 18,368 8.2 mi
Arnold, MO 20,956 8.6 mi
Affton, MO 19,052 8.7 mi
Waterloo 11,129 8.8 mi
Sappington, MO 7,367 9.7 mi
Shrewsbury, MO 6,316 10.8 mi
Crestwood, MO 12,295 11.1 mi
Imperial, MO 5,488 11.6 mi

More nearby: every ZIP code in Monroe County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Columbia, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/columbia

Underlying data is public domain or openly licensed — sources, vintages and licences.