ZIP code 61731: Cropsey, IL
ZIP code 61731 is in McLean County (71%), Livingston County (22%) and Ford County (6.8%), Illinois, outside any city or Census-designated place. It is in Illinois's 16th congressional district (71%) and Illinois's 2nd congressional district (29%). Its state senate districts are State Senate District 44 (86%) and State Senate District 53 (14%); its state house districts are State House District 88 (86%) and State House District 106 (14%).
See it on the mapAll of Illinois
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| McLean County | 71% |
| Livingston County | 22% |
| Ford County | 6.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Cropsey township | 71% |
| Belle Prairie township | 15% |
| Fayette township | 7.3% |
| Sullivant township | 6.8% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 71% |
| Illinois's 2nd congressional district (IL-02) | 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 |
|---|---|---|---|
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 71% |
| U.S. Representative (IL-02) | Robin L. Kelly (D) | 202-225-0773 | 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 44) | Sally Turner (R) | 217-651-8291 | 86% |
| State Senator (State Senate District 53) | Chris Balkema (R) | 815-844-9179 | 14% |
| State Representative (State House District 88) | Regan Deering (R) | 217-876-1968 | 86% |
| State Representative (State House District 106) | Jason Bunting (R) | 779-218-3070 | 14% |
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
- McLean County website: https://www.mcleancountyil.gov/
- McLean County laws: search for the McLean County, Illinois code of ordinances
- Livingston County website: http://www.livingstoncounty-il.org/wordpress/
- Livingston County laws: search for the Livingston County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 44 | 86% |
| State Senate District 53 | 14% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 88 | 86% |
| State House District 106 | 14% |
Voting precincts
4 voting precincts overlap ZIP 61731. 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:61731")
ZIP 61731 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.