ZIP code 60423: Frankfort, IL
ZIP code 60423 is in Frankfort (62% of residents) and Frankfort Square (27%), in Will County (100%) and Cook County (<0.1%), Illinois. 11% of its residents live outside city limits. It is in Illinois's 1st congressional district (100%) and Illinois's 2nd congressional district (0.1%). Its state senate districts are State Senate District 19 (86%) and State Senate District 40 (14%); its state house districts are State House District 38 (75%), State House District 80 (14%) and State House District 37 (11%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Frankfort | 62% |
| Frankfort Square | 27% |
| County | Share of ZIP residents |
|---|---|
| Will County | 100% |
| Cook County | <0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Frankfort township | 96% |
| Green Garden township | 4.3% |
| Rich township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 1st congressional district (IL-01) | 100% |
| Illinois's 2nd congressional district (IL-02) | 0.1% |
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-01) | Jonathan L. Jackson (D) | 202-225-4372 | 100% |
| U.S. Representative (IL-02) | Robin L. Kelly (D) | 202-225-0773 | 0.1% |
| 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 19) | Mike Hastings (Democratic) | 86% | |
| State Senator (State Senate District 40) | Patrick Joyce (Democratic) | 708-756-0882 | 14% |
| State Representative (State House District 38) | Debbie Meyers-Martin (Democratic) | 708-833-7010 | 75% |
| State Representative (State House District 80) | Anthony DeLuca (Democratic) | 708-754-7900 | 14% |
| State Representative (State House District 37) | Patrick Sheehan (R) | 708-694-2032 | 11% |
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
- Frankfort laws: search for the Frankfort, Illinois code of ordinances
- Frankfort Square laws: search for the Frankfort Square, Illinois code of ordinances
- Will County website: https://www.willcountyillinois.com/
- Will County laws: search for the Will County, Illinois code of ordinances
- Cook County website: https://www.cookcountyil.gov/
- Cook County laws: search for the Cook County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 86% |
| State Senate District 40 | 14% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 38 | 75% |
| State House District 80 | 14% |
| State House District 37 | 11% |
Voting precincts
19 voting precincts overlap ZIP 60423. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:60423")
ZIP 60423 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.