Boundary Atlas

ZIP code 60131: Franklin Park, IL

ZIP code 60131 is in Franklin Park, in Cook County, Illinois. It is in Illinois's 4th congressional district (72%) and Illinois's 3rd congressional district (28%). Its state senate districts are State Senate District 39 (85%) and State Senate District 10 (15%); its state house districts are State House District 77 (85%) and State House District 20 (15%).

18,205residents (2020 Census)
5.4 sq miland area
1cities and towns
2congressional districts
13voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Franklin Park100%

CountyShare of ZIP residents
Cook County100%

Town or county subdivisionShare of ZIP residents
Leyden township100%
Chicago cityland only

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 4th congressional district (IL-04)72%
Illinois's 3rd congressional district (IL-03)28%

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
U.S. Representative (IL-04)Jesús G. "Chuy" García (D)202-225-820372%
U.S. Representative (IL-03)Delia C. Ramirez (D)202-225-570128%
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 39)Don Harmon (Democratic)708-848-200285%
State Senator (State Senate District 10)Rob Martwick (Democratic)773-286-111515%
State Representative (State House District 77)Norma Hernandez (Democratic)708-365-849885%
State Representative (State House District 20)Brad Stephens (R)773-444-061115%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3985%
State Senate District 1015%

State house districtShare of ZIP residents
State House District 7785%
State House District 2015%

Voting precincts

13 voting precincts overlap ZIP 60131. 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:60131")

ZIP 60131 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.