Boundary Atlas

ZIP code 60620: Chicago, IL

ZIP code 60620 is in Chicago, in Cook County, Illinois. It is in Illinois's 1st congressional district. Its state senate districts are State Senate District 16 (64%), State Senate District 14 (23%), State Senate District 18 (12%) and State Senate District 17 (1.8%); its state house districts are State House District 31 (64%), State House District 27 (23%), State House District 35 (12%) and State House District 34 (1.8%).

66,514residents (2020 Census)
7.0 sq miland area
1cities and towns
1congressional district
39voting 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 townshipland only

Congressional district

Congressional districtShare of ZIP residents
Illinois's 1st congressional district (IL-01)100%

Elected officials

OfficeMemberContactShare of residents
MayorBrandon Johnson312-744-9500100%
U.S. Representative (IL-01)Jonathan L. Jackson (D)202-225-4372100%
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 16)Willie Preston (Democratic)773-912-625564%
State Senator (State Senate District 14)Emil Jones (Democratic)773-995-774823%
State Senator (State Senate District 18)Bill Cunningham (Democratic)773-445-812812%
State Senator (State Senate District 17)Elgie Sims (Democratic)773-933-77151.8%
State Representative (State House District 31)Mike Crawford (Democratic)872-267-738464%
State Representative (State House District 27)Justin Slaughter (Democratic)773-445-970023%
State Representative (State House District 35)Mary Gill (Democratic)773-445-812812%
State Representative (State House District 34)Nick Smith (Democratic)773-783-88001.8%
State Representative (State House District 36)Rick Ryan (Democratic)708-682-4880<0.1%

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 1664%
State Senate District 1423%
State Senate District 1812%
State Senate District 171.8%

State house districtShare of ZIP residents
State House District 3164%
State House District 2723%
State House District 3512%
State House District 341.8%
State House District 36land only

Voting precincts

39 voting precincts overlap ZIP 60620. 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:60620")

ZIP 60620 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.