ZIP code 60421: Elwood, IL
ZIP code 60421 is in Elwood (60% of residents) and Joliet (3.3%), in Will County, Illinois. 37% of its residents live outside city limits. It is in Illinois's 14th congressional district (99%) and Illinois's 1st congressional district (0.8%). Its state senate district is State Senate District 43; its state house district is State House District 86.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Elwood | 60% |
| Joliet | 3.3% |
| County | Share of ZIP residents |
|---|---|
| Will County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Jackson township | 99% |
| Channahon township | 0.8% |
| Joliet township | 0.6% |
| Florence township | land only |
| Manhattan township | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 14th congressional district (IL-14) | 99% |
| Illinois's 1st congressional district (IL-01) | 0.8% |
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-14) | Lauren Underwood (D) | 202-225-2976 | 99% |
| U.S. Representative (IL-01) | Jonathan L. Jackson (D) | 202-225-4372 | 0.8% |
| 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 43) | Rachel Ventura (Democratic) | 331-290-0443 | 100% |
| State Senator (State Senate District 40) | Patrick Joyce (Democratic) | 708-756-0882 | <0.1% |
| State Representative (State House District 86) | Larry Walsh (Democratic) | 815-730-8600 | 100% |
| State Representative (State House District 80) | Anthony DeLuca (Democratic) | 708-754-7900 | <0.1% |
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
- Elwood website: http://www.villageofelwood.com/
- Elwood laws: search for the Elwood, Illinois code of ordinances
- Joliet website: https://www.joliet.gov/
- Joliet laws: search for the Joliet, Illinois code of ordinances
- Will County website: https://www.willcountyillinois.com/
- Will County laws: search for the Will County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 43 | 100% |
| State Senate District 40 | land only |
| State house district | Share of ZIP residents |
|---|---|
| State House District 86 | 100% |
| State House District 80 | land only |
Voting precincts
6 voting precincts overlap ZIP 60421. 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:60421")
ZIP 60421 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.