ZIP code 60154: Westchester, IL

ZIP code 60154 is in Westchester, in Cook County, Illinois. It is in Illinois's 7th congressional district. Its state senate district is State Senate District 4; its state house districts are State House District 7 (100%) and State House District 8 (0.2%).

16,895residents (2020 Census)

4.4 sq miland area

1cities and towns

1congressional district

14voting precincts

See it on the map All of Illinois

City and county

City or town	Share of ZIP residents
Westchester	100%

County	Share of ZIP residents
Cook County	100%

Town or county subdivision	Share of ZIP residents
Proviso township	100%

Congressional district

Congressional district	Share of ZIP residents
Illinois's 7th congressional district (IL-07)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (IL-07)	Danny K. Davis (D)	202-225-5006	100%
U.S. Senator	Richard J. Durbin (D)	202-224-2152 · contact form	statewide
U.S. Senator	Tammy Duckworth (D)	202-224-2854 · contact form	statewide
State Senator (State Senate District 4)	Kimberly Lightford (Democratic)	708-632-4500	100%
State Representative (State House District 7)	Chris Welch (Democratic)	708-450-1000	100%
State Representative (State House District 8)	La Shawn Ford (Democratic)	773-750-0866	0.2%

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

Westchester website: http://www.westchester-il.org/
Westchester laws: search for the Westchester, Illinois code of ordinances
Cook County website: https://www.cookcountyil.gov/
Cook County laws: search for the Cook County, Illinois code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 4	100%

State house district	Share of ZIP residents
State House District 7	100%
State House District 8	0.2%

Voting precincts

14 voting precincts overlap ZIP 60154. 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:60154")

ZIP 60154 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.