ZIP code 62269: O'Fallon, IL
ZIP code 62269 is in O'Fallon (87% of residents), Shiloh (8.8%) and Swansea (1.1%), in St. Clair County, Illinois. It is in Illinois's 12th congressional district (71%) and Illinois's 13th congressional district (29%). Its state senate districts are State Senate District 57 (69%), State Senate District 56 (22%) and State Senate District 55 (8.8%); its state house districts are State House District 114 (43%), State House District 113 (26%), State House District 112 (22%) and State House District 109 (8.8%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| O'Fallon | 87% |
| Shiloh | 8.8% |
| Swansea | 1.1% |
| County | Share of ZIP residents |
|---|---|
| St. Clair County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| O'Fallon township | 66% |
| Caseyville township | 27% |
| Shiloh Valley township | 6.8% |
| St. Clair township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 71% |
| Illinois's 13th congressional district (IL-13) | 29% |
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 |
|---|---|---|---|
| Mayor | Eric Van Hook | 618-624-8730 | 87% |
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 71% |
| U.S. Representative (IL-13) | Nikki Budzinski (D) | 202-225-2371 | 29% |
| 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 57) | Christopher Belt (Democratic) | 618-875-1212 | 69% |
| State Senator (State Senate District 56) | Erica Harriss (R) | 618-307-5789 | 22% |
| State Senator (State Senate District 55) | Jason Plummer (R) | 618-283-3000 | 8.8% |
| State Representative (State House District 114) | Kevin Schmidt (R) | 618-215-1050 | 43% |
| State Representative (State House District 113) | Jay Hoffman (Democratic) | 618-416-7407 | 26% |
| State Representative (State House District 112) | Katie Stuart (Democratic) | 618-365-6650 | 22% |
| State Representative (State House District 109) | Charlie Meier (R) | 618-651-0405 | 8.8% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- O'Fallon website: http://www.ofallon.org/
- O'Fallon laws: search for the O'Fallon, Illinois code of ordinances
- Shiloh website: http://www.shilohil.org/
- Shiloh laws: search for the Shiloh, Illinois code of ordinances
- Swansea laws: search for the Swansea, 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 57 | 69% |
| State Senate District 56 | 22% |
| State Senate District 55 | 8.8% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 114 | 43% |
| State House District 113 | 26% |
| State House District 112 | 22% |
| State House District 109 | 8.8% |
Voting precincts
26 voting precincts overlap ZIP 62269. 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:62269")
ZIP 62269 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.