ZIP code 60042: Island Lake, IL
ZIP code 60042 is in Island Lake (95% of residents), in McHenry County (56%) and Lake County (44%), Illinois. It is in Illinois's 11th congressional district (68%) and Illinois's 9th congressional district (32%). Its state senate districts are State Senate District 32 (56%) and State Senate District 26 (44%); its state house districts are State House District 63 (56%) and State House District 52 (44%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Island Lake | 95% |
| County | Share of ZIP residents |
|---|---|
| McHenry County | 56% |
| Lake County | 44% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Nunda township | 56% |
| Wauconda township | 44% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 11th congressional district (IL-11) | 68% |
| Illinois's 9th congressional district (IL-09) | 32% |
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-11) | Bill Foster (D) | 202-225-3515 | 68% |
| U.S. Representative (IL-09) | Janice D. Schakowsky (D) | 202-225-2111 | 32% |
| 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 32) | Craig Wilcox (R) | 815-455-6330 | 56% |
| State Senator (State Senate District 26) | Darby Hills (R) | 224-662-4544 | 44% |
| State Representative (State House District 63) | Steve Reick (R) | 815-880-5340 | 56% |
| State Representative (State House District 52) | Marty McLaughlin (R) | 224-634-8300 | 44% |
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
- Island Lake laws: search for the Island Lake, Illinois code of ordinances
- McHenry County website: http://www.co.mchenry.il.us
- McHenry County laws: search for the McHenry County, Illinois code of ordinances
- Lake County website: https://www.lakecountyil.gov/
- Lake County laws: search for the Lake County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 32 | 56% |
| State Senate District 26 | 44% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 63 | 56% |
| State House District 52 | 44% |
Voting precincts
9 voting precincts overlap ZIP 60042. 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:60042")
ZIP 60042 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.