ZIP code 60033: Harvard, IL
ZIP code 60033 is in Harvard (70% of residents), Chemung (2.0%) and Lawrence (1.6%), in McHenry County (99%) and Boone County (0.8%), Illinois. 27% of its residents live outside city limits. It is in Illinois's 16th congressional district (100%) and Illinois's 11th congressional district (0.1%). Its state senate district is State Senate District 35; its state house district is State House District 69.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Harvard | 70% |
| Chemung | 2.0% |
| Lawrence | 1.6% |
| Alden | 0.8% |
| Big Foot Prairie | 0.5% |
| County | Share of ZIP residents |
|---|---|
| McHenry County | 99% |
| Boone County | 0.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Chemung township | 67% |
| Dunham township | 19% |
| Alden township | 8.8% |
| Hartland township | 4.1% |
| LeRoy township | 0.8% |
| Marengo township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 100% |
| Illinois's 11th congressional district (IL-11) | 0.1% |
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-16) | Darin LaHood (R) | 202-225-6201 | 100% |
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 0.1% |
| 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 35) | Dave Syverson (R) | 815-987-7555 | 100% |
| State Representative (State House District 69) | Joe Sosnowski (R) | 815-547-3436 | 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
- Harvard website: http://www.cityofharvard.org/
- Harvard laws: search for the Harvard, Illinois code of ordinances
- Chemung laws: search for the Chemung, Illinois code of ordinances
- Lawrence laws: search for the Lawrence, 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
- Boone County website: http://www.boonecountyil.org
- Boone County laws: search for the Boone County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 35 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 69 | 100% |
Voting precincts
12 voting precincts overlap ZIP 60033. 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:60033")
ZIP 60033 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.