Boundary Atlas

Westmont, Illinois

Westmont is a village in DuPage County, Illinois, with 24,480 residents in 2020. It is in Illinois's 6th congressional district. It spans 2 state senate and 2 state house districts.

24,480residents (2020 Census)
5.0 sq miland area
6ZIP codes
1congressional district

County

CountyShare of residents
DuPage County100%

Congressional district

Congressional districtShare of 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 residents
State Senate District 2381%
State Senate District 4119%

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

ZIP codes

Percentages mark ZIPs only partly in Westmont: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Westmont's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:1780645")

Westmont here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.