Boundary Atlas

ZIP code 60445: Midlothian, IL

ZIP code 60445 is in Midlothian (97% of residents), in Cook County, Illinois. It is in Illinois's 1st congressional district (98%) and Illinois's 6th congressional district (2.2%). Its state senate districts are State Senate District 15 (89%) and State Senate District 14 (11%); its state house districts are State House District 30 (89%), State House District 28 (9.5%) and State House District 27 (1.9%).

14,692residents (2020 Census)
4.3 sq miland area
3cities and towns
2congressional districts
12voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Midlothian97%
Oak Forest0.3%
Crestwood0.1%

CountyShare of ZIP residents
Cook County100%

Town or county subdivisionShare of ZIP residents
Bremen township100%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 1st congressional district (IL-01)98%
Illinois's 6th congressional district (IL-06)2.2%

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.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1589%
State Senate District 1411%

State house districtShare of ZIP residents
State House District 3089%
State House District 289.5%
State House District 271.9%

Voting precincts

12 voting precincts overlap ZIP 60445. 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:60445")

ZIP 60445 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.