ZIP code 60640: Chicago, IL
ZIP code 60640 is in Chicago, in Cook County, Illinois. It is in Illinois's 9th congressional district (87%) and Illinois's 5th congressional district (13%). Its state senate district is State Senate District 7; its state house districts are State House District 13 (78%) and State House District 14 (22%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Chicago | 100% |
| County | Share of ZIP residents |
|---|---|
| Cook County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Chicago city | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 9th congressional district (IL-09) | 87% |
| Illinois's 5th congressional district (IL-05) | 13% |
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 |
|---|---|---|---|
| Mayor | Brandon Johnson | 312-744-9500 | 100% |
| U.S. Representative (IL-09) | Janice D. Schakowsky (D) | 202-225-2111 | 87% |
| U.S. Representative (IL-05) | Mike Quigley (D) | 202-225-4061 | 13% |
| 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 7) | Mike Simmons-Gessesse (Democratic) | 773-769-1717 | 100% |
| State Representative (State House District 13) | Hoan Huynh (Democratic) | 773-657-4655 | 78% |
| State Representative (State House District 14) | Kelly Cassidy (Democratic) | 773-784-2002 | 22% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Chicago website: https://chi.gov
- Chicago council: Chicago City Council
- Chicago laws: search for the Chicago, 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 7 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 13 | 78% |
| State House District 14 | 22% |
Voting precincts
38 voting precincts overlap ZIP 60640. 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:60640")
ZIP 60640 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.