Boundary Atlas

ZIP code 60559: Westmont, IL

ZIP code 60559 is in Westmont (94% of residents), in DuPage County, Illinois. 5.7% of its residents live outside city limits. It is in Illinois's 6th congressional district. Its state senate districts are State Senate District 23 (81%) and State Senate District 41 (19%); its state house districts are State House District 45 (81%) and State House District 81 (19%).

24,363residents (2020 Census)
4.7 sq miland area
1cities and towns
1congressional district
18voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Westmont94%

CountyShare of ZIP residents
DuPage County100%

Town or county subdivisionShare of ZIP residents
Downers Grove township93%
York township7.0%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 6th congressional district (IL-06)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-06)Sean Casten (D)202-225-4561100%
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 23)Suzy Glowiak Hilton (Democratic)630-785-317781%
State Senator (State Senate District 41)John Curran (R)630-297-805819%
State Representative (State House District 45)Marti Deuter (Democratic)630-413-108081%
State Representative (State House District 81)Anne Stava (Democratic)630-605-059519%

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 2381%
State Senate District 4119%

State house districtShare of ZIP residents
State House District 4581%
State House District 8119%

Voting precincts

18 voting precincts overlap ZIP 60559. Map them, with each precinct's share of the ZIP's residents.

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ZIP 60559 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.