Boundary Atlas

ZIP code 60469: Posen, IL

ZIP code 60469 is in Posen, in Cook County, Illinois. It is in Illinois's 1st congressional district. Its state senate districts are State Senate District 14 (70%) and State Senate District 15 (30%); its state house districts are State House District 28 (70%) and State House District 30 (30%).

5,469residents (2020 Census)
1.1 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Posen100%

CountyShare of ZIP residents
Cook County100%

Town or county subdivisionShare of ZIP residents
Bremen township93%
Thornton township6.5%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1470%
State Senate District 1530%

State house districtShare of ZIP residents
State House District 2870%
State House District 3030%

Voting precincts

4 voting precincts overlap ZIP 60469. 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:60469")

ZIP 60469 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.