Boundary Atlas

Lombard, Illinois

Lombard is a village in DuPage County, Illinois, with 44,491 residents in 2020. It spans 2 congressional districts: IL-06 (100%) and IL-03 (0.1%). It spans 2 state senate and 3 state house districts.

44,491residents (2020 Census)
10.2 sq miland area
1ZIP codes
2congressional districts

County

CountyShare of residents
DuPage County100%

Congressional districts

Congressional districtShare of residents
Illinois's 6th congressional district (IL-06)100%
Illinois's 3rd congressional district (IL-03)0.1%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-06)Sean Casten (D)202-225-4561100%
U.S. Representative (IL-03)Delia C. Ramirez (D)202-225-57010.1%
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 21)Laura Ellman (Democratic)630-601-996187%
State Senator (State Senate District 23)Suzy Glowiak Hilton (Democratic)630-785-317713%
State Representative (State House District 42)Margaret DeLaRosa (Democratic)217-782-803787%
State Representative (State House District 46)Diane Blair-Sherlock (Democratic)630-415-352013%
State Representative (State House District 45)Marti Deuter (Democratic)630-413-1080<0.1%

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 2187%
State Senate District 2313%

State house districtShare of residents
State House District 4287%
State House District 4613%
State House District 45<0.1%

ZIP codes

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

Get this in your AI agent

Your agent can get Lombard'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:1744407")

Lombard 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.