Residential delivery area · Illinois
ZIP Code 62236: Columbia, IL
ZIP code 62236 uses the postal name Columbia, Illinois and lies mostly in Monroe County (82% of its land) with the rest in St. Clair County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $108,981 (Census Bureau, ACS 2020-2024). By Census place, 17% of its land lies in Columbia, and under 1% in smaller places; 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Columbia · its only residential ZIP
- County
- Monroe County (82%); St. Clair County (18%)
- Census places
- Columbia
- Metro area
- St. Louis, MO-IL
- House district
- IL-12 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 60.3 sq mi · 235 people per sq mi
Where is ZIP code 62236?
62236 centers on 38.434°, -90.212° and covers 60.3 square miles of land plus 3.0 of water. It borders 6 ZIP codes: 62240, 63129, 62260, 63125, 62298, 62295.
The map draws ZIP code areas only. For the streets inside 62236, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 62236 compare with the rest of Monroe County?
| Measure | 62236 | In Monroe County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 14,154 | 2nd of 10 | 302nd of 1,396 |
| Median household income | $109k | 1st of 5 | 137th of 797 |
| Median home value | $307k | 1st of 5 | 179th of 842 |
Its median household income is higher than in 86% of U.S. residential ZIP codes, and it is denser than 64% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 62236?
The 2020 Census counted 13,924 people in 62236; the ACS, which samples households over 2020-2024, estimates 14,154. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 14,154
- 2020 Census count
- 13,924
- Households
- 5,485
- Median age
- 42.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 62236?
Of the 14,154 people the ACS estimates in 62236, 24.1% are under 18 and 17.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.5%).
- Under 1824.1%
- 18 to 6458.5%
- 65 and older17.4%
- White, not Hispanic94.5%
- Other or two or more2.5%
- Hispanic or Latino2.4%
- Black, not Hispanic0.5%
- Asian, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 62236 earn?
Median household income is $108,981 (ACS 2020-2024), the highest of the 5 ranked ZIP codes in Monroe County.
- Median household income
- $108,981
- Income per person
- $51,278
- Below the poverty line
- 5.6%
- Unemployed (of the labor force)
- 2.2%
- Adults 25+ with a bachelor's degree
- 46.7%
- Adjusted gross income per tax return, 2022
- $116,0986,900 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 62236?
FHFA's house price index for 62236, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +4.8% in 2025.
- Median home value (owners' estimate)
- $306,600
- Median gross rent
- $1,128
- Homes owned by their occupants
- 85.3%
- Housing units
- 5,785
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 62236?
425 business establishments had a location in this ZIP code in 2023, 41 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance55
- Other services (except public administration)51
- Retail trade49
- Professional, scientific, and technical services49
- Construction44
- Finance and insurance37
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 62236?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62240 | East Carondelet | 1,796 | $96k | 5.1 mi |
| 63129 | Saint Louis, MO | 51,553 | $95k | 6.0 mi |
| 62260 | Millstadt | 6,668 | $91k | 6.4 mi |
| 63125 | Saint Louis, MO | 33,294 | $62k | 7.4 mi |
| 62298 | Waterloo | 18,208 | $101k | 9.3 mi |
| 62295 | Valmeyer | 1,459 | $88k | 12.4 mi |
| 62239 | Dupo | 4,232 | $61k | 6.9 mi (near) |
| 63111 | Saint Louis, MO | 18,851 | $47k | 8.8 mi (near) |
| 63053 | Kimmswick, MO | 56 | $61k | 9.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.