ZIP code 60056: Mount Prospect, IL
ZIP code 60056 is in Mount Prospect (99% of residents), in Cook County, Illinois. It is in Illinois's 5th congressional district (40%), Illinois's 8th congressional district (27%), Illinois's 9th congressional district (23%) and Illinois's 3rd congressional district (9.9%). Its state senate districts are State Senate District 27 (83%), State Senate District 29 (12%) and State Senate District 28 (4.6%); its state house districts are State House District 53 (75%), State House District 57 (12%), State House District 54 (8.0%) and State House District 56 (4.6%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mount Prospect | 99% |
| County | Share of ZIP residents |
|---|---|
| Cook County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Elk Grove township | 59% |
| Wheeling township | 41% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 5th congressional district (IL-05) | 40% |
| Illinois's 8th congressional district (IL-08) | 27% |
| Illinois's 9th congressional district (IL-09) | 23% |
| Illinois's 3rd congressional district (IL-03) | 9.9% |
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-05) | Mike Quigley (D) | 202-225-4061 | 40% |
| U.S. Representative (IL-08) | Raja Krishnamoorthi (D) | 202-225-3711 | 27% |
| U.S. Representative (IL-09) | Janice D. Schakowsky (D) | 202-225-2111 | 23% |
| U.S. Representative (IL-03) | Delia C. Ramirez (D) | 202-225-5701 | 9.9% |
| 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 27) | Mark Walker (Democratic) | 847-749-1880 | 83% |
| State Senator (State Senate District 29) | Julie Morrison (Democratic) | 847-945-5200 | 12% |
| State Senator (State Senate District 28) | Laura Murphy (Democratic) | 847-718-1110 | 4.6% |
| State Representative (State House District 53) | Nicolle Grasse (Democratic) | 847-749-1137 | 75% |
| State Representative (State House District 57) | Tracy Katz Muhl (Democratic) | 847-715-9055 | 12% |
| State Representative (State House District 54) | Mary Beth Canty (Democratic) | 224-248-8187 | 8.0% |
| State Representative (State House District 56) | Michelle Mussman (Democratic) | 847-923-9104 | 4.6% |
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
- Mount Prospect website: https://www.mountprospect.org/
- Mount Prospect laws: search for the Mount Prospect, 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 27 | 83% |
| State Senate District 29 | 12% |
| State Senate District 28 | 4.6% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 53 | 75% |
| State House District 57 | 12% |
| State House District 54 | 8.0% |
| State House District 56 | 4.6% |
Voting precincts
34 voting precincts overlap ZIP 60056. 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:60056")
ZIP 60056 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.