ZIP code 62236: Columbia, IL
ZIP code 62236 is in Columbia (79% of residents), in Monroe County (94%) and St. Clair County (5.8%), Illinois. 21% of its residents live outside city limits. It is in Illinois's 12th congressional district (100%) and Illinois's 13th congressional district (0.3%). Its state senate districts are State Senate District 58 (94%) and State Senate District 57 (5.8%); its state house districts are State House District 115 (94%) and State House District 114 (5.8%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Columbia | 79% |
| Dupo | 0.2% |
| County | Share of ZIP residents |
|---|---|
| Monroe County | 94% |
| St. Clair County | 5.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Precinct 34 | 18% |
| Precinct 25 | 9.3% |
| Precinct 24 | 9.0% |
| Precinct 3 | 8.3% |
| Precinct 4 | 8.2% |
| Precinct 35 | 7.2% |
| Precinct 21 | 6.4% |
| Precinct 36 | 5.3% |
| Sugar Loaf township | 4.9% |
| Precinct 11 | 4.6% |
| Precinct 5 | 4.5% |
| Precinct 37 | 4.3% |
| Precinct 2 | 3.7% |
| Precinct 10 | 3.2% |
| Precinct 14 | 1.8% |
| Millstadt township | 0.9% |
| Precinct 28 | 0.6% |
| Precinct 15 | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 100% |
| Illinois's 13th congressional district (IL-13) | 0.3% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 100% |
| U.S. Representative (IL-13) | Nikki Budzinski (D) | 202-225-2371 | 0.3% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 58) | Terri Bryant (R) | 618-472-8158 | 94% |
| State Senator (State Senate District 57) | Christopher Belt (Democratic) | 618-875-1212 | 5.8% |
| State Representative (State House District 115) | David Friess (R) | 618-282-7284 | 94% |
| State Representative (State House District 114) | Kevin Schmidt (R) | 618-215-1050 | 5.8% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Columbia website: http://www.columbiaillinois.com/
- Columbia laws: search for the Columbia, Illinois code of ordinances
- Monroe County website: http://www.monroecountyil.org
- Monroe County laws: search for the Monroe County, Illinois code of ordinances
- St. Clair County laws: search for the St. Clair County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 58 | 94% |
| State Senate District 57 | 5.8% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 115 | 94% |
| State House District 114 | 5.8% |
Voting precincts
15 voting precincts overlap ZIP 62236. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:62236")
ZIP 62236 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.