Island Lake, Illinois
Island Lake is a village in McHenry County (58% of residents) and Lake County (42%), Illinois, with 8,051 residents in 2020. It spans 2 congressional districts: IL-11 (70%) and IL-09 (30%). It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| McHenry County | 58% |
| Lake County | 42% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Illinois's 11th congressional district (IL-11) | 70% |
| Illinois's 9th congressional district (IL-09) | 30% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 70% |
| U.S. Representative (IL-09) | Janice D. Schakowsky (D) | 202-225-2111 | 30% |
| 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 | 58% |
| State Senator (State Senate District 26) | Darby Hills (R) | 224-662-4544 | 42% |
| State Representative (State House District 63) | Steve Reick (R) | 815-880-5340 | 58% |
| State Representative (State House District 52) | Marty McLaughlin (R) | 224-634-8300 | 42% |
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 residents |
|---|---|
| State Senate District 32 | 58% |
| State Senate District 26 | 42% |
| State house district | Share of residents |
|---|---|
| State House District 63 | 58% |
| State House District 52 | 42% |
ZIP codes
Percentages mark ZIPs only partly in Island Lake: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Island Lake's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1737894")
Island Lake here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.