McHenry, Illinois
McHenry is a city in McHenry County, Illinois, with 27,573 residents in 2020. It spans 2 congressional districts: IL-11 (91%) and IL-10 (9.2%). It spans 2 state house districts. Its state senate district is State Senate District 32.
County
| County | Share of residents |
|---|---|
| McHenry County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Illinois's 11th congressional district (IL-11) | 91% |
| Illinois's 10th congressional district (IL-10) | 9.2% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 91% |
| U.S. Representative (IL-10) | Bradley Scott Schneider (D) | 202-225-4835 | 9.2% |
| 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 | 100% |
| State Representative (State House District 63) | Steve Reick (R) | 815-880-5340 | 61% |
| State Representative (State House District 64) | Tom Weber (R) | 847-629-5439 | 39% |
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
- McHenry website: http://www.ci.mchenry.il.us
- McHenry laws: search for the McHenry, 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
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 32 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 63 | 61% |
| State House District 64 | 39% |
ZIP codes
Percentages mark ZIPs only partly in McHenry: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get McHenry'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:1745694")
McHenry 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.