ZIP code 60527: Burr Ridge, IL
ZIP code 60527 is in Burr Ridge (38% of residents), Willowbrook (31%) and Westmont (1.2%), in DuPage County (84%) and Cook County (16%), Illinois. 30% of its residents live outside city limits. It is in Illinois's 6th congressional district (82%), Illinois's 11th congressional district (17%) and Illinois's 4th congressional district (1.1%). Its state senate districts are State Senate District 41 (87%) and State Senate District 23 (13%); its state house districts are State House District 82 (87%) and State House District 45 (13%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Burr Ridge | 38% |
| Willowbrook | 31% |
| Westmont | 1.2% |
| Darien | 0.4% |
| Willow Springs | 0.2% |
| County | Share of ZIP residents |
|---|---|
| DuPage County | 84% |
| Cook County | 16% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Downers Grove township | 84% |
| Lyons township | 16% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 6th congressional district (IL-06) | 82% |
| Illinois's 11th congressional district (IL-11) | 17% |
| Illinois's 4th congressional district (IL-04) | 1.1% |
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-06) | Sean Casten (D) | 202-225-4561 | 82% |
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 17% |
| U.S. Representative (IL-04) | Jesús G. "Chuy" García (D) | 202-225-8203 | 1.1% |
| 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 41) | John Curran (R) | 630-297-8058 | 87% |
| State Senator (State Senate District 23) | Suzy Glowiak Hilton (Democratic) | 630-785-3177 | 13% |
| State Representative (State House District 82) | Nicole La Ha (R) | 630-755-4296 | 87% |
| State Representative (State House District 45) | Marti Deuter (Democratic) | 630-413-1080 | 13% |
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
- Burr Ridge website: https://www.burr-ridge.gov/
- Burr Ridge laws: search for the Burr Ridge, Illinois code of ordinances
- Willowbrook website: http://www.willowbrookil.org/
- Willowbrook laws: search for the Willowbrook, Illinois code of ordinances
- Westmont website: http://www.westmont.il.gov/
- Westmont laws: search for the Westmont, Illinois code of ordinances
- DuPage County website: https://www.dupagecounty.gov/
- DuPage County laws: search for the DuPage County, Illinois code of ordinances
- Cook County website: https://www.cookcountyil.gov/
- Cook County laws: search for the Cook County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 41 | 87% |
| State Senate District 23 | 13% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 82 | 87% |
| State House District 45 | 13% |
Voting precincts
24 voting precincts overlap ZIP 60527. 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:60527")
ZIP 60527 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.