ZIP code 60420: Dwight, IL
ZIP code 60420 is in Dwight (86% of residents), in Livingston County (95%) and Grundy County (4.7%), Illinois. 14% of its residents live outside city limits. It is in Illinois's 2nd congressional district (95%) and Illinois's 16th congressional district (4.7%). Its state senate district is State Senate District 53; its state house district is State House District 106.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dwight | 86% |
| County | Share of ZIP residents |
|---|---|
| Livingston County | 95% |
| Grundy County | 4.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dwight township | 90% |
| Goodfarm township | 3.7% |
| Round Grove township | 2.5% |
| Nevada township | 2.0% |
| Highland township | 1.0% |
| Union township | 0.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 2nd congressional district (IL-02) | 95% |
| Illinois's 16th congressional district (IL-16) | 4.7% |
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-02) | Robin L. Kelly (D) | 202-225-0773 | 95% |
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 4.7% |
| 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 53) | Chris Balkema (R) | 815-844-9179 | 100% |
| State Representative (State House District 106) | Jason Bunting (R) | 779-218-3070 | 100% |
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
- Dwight website: http://www.dwightillinois.org
- Dwight laws: search for the Dwight, 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
- Grundy County website: http://www.grundyco.org
- Grundy County laws: search for the Grundy County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 53 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 106 | 100% |
Voting precincts
9 voting precincts overlap ZIP 60420. 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:60420")
ZIP 60420 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.