Boundary Atlas

ZIP code 60655: Chicago, IL

ZIP code 60655 is in Chicago, in Cook County, Illinois. It is in Illinois's 6th congressional district (94%) and Illinois's 1st congressional district (6.1%). Its state senate districts are State Senate District 18 (96%) and State Senate District 14 (3.8%); its state house districts are State House District 35 (75%), State House District 36 (21%) and State House District 27 (3.8%).

27,837residents (2020 Census)
4.4 sq miland area
1cities and towns
2congressional districts
20voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Chicago100%

CountyShare of ZIP residents
Cook County100%

Town or county subdivisionShare of ZIP residents
Chicago city100%
Worth township<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 6th congressional district (IL-06)94%
Illinois's 1st congressional district (IL-01)6.1%

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

OfficeMemberContactShare of residents
MayorBrandon Johnson312-744-9500100%
U.S. Representative (IL-06)Sean Casten (D)202-225-456194%
U.S. Representative (IL-01)Jonathan L. Jackson (D)202-225-43726.1%
U.S. SenatorRichard J. Durbin (D)202-224-2152 · contact formstatewide
U.S. SenatorTammy Duckworth (D)202-224-2854 · contact formstatewide
State Senator (State Senate District 18)Bill Cunningham (Democratic)773-445-812896%
State Senator (State Senate District 14)Emil Jones (Democratic)773-995-77483.8%
State Representative (State House District 35)Mary Gill (Democratic)773-445-812875%
State Representative (State House District 36)Rick Ryan (Democratic)708-682-488021%
State Representative (State House District 27)Justin Slaughter (Democratic)773-445-97003.8%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1896%
State Senate District 143.8%

State house districtShare of ZIP residents
State House District 3575%
State House District 3621%
State House District 273.8%

Voting precincts

20 voting precincts overlap ZIP 60655. Map them, with each precinct's share of the ZIP's residents.

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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:60655")

ZIP 60655 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.