Boundary Atlas

Addison, Illinois

Addison is a village in DuPage County, Illinois, with 35,711 residents in 2020. It spans 3 congressional districts: IL-03 (65%), IL-08 (29%) and IL-06 (6.5%). It spans 3 state senate and 4 state house districts.

35,711residents (2020 Census)
9.8 sq miland area
2ZIP codes
3congressional districts

County

CountyShare of residents
DuPage County100%

Congressional districts

Congressional districtShare of residents
Illinois's 3rd congressional district (IL-03)65%
Illinois's 8th congressional district (IL-08)29%
Illinois's 6th congressional district (IL-06)6.5%

Elected officials

OfficeMemberContactShare of residents
MayorRich Veenstracitywide
U.S. Representative (IL-03)Delia C. Ramirez (D)202-225-570165%
U.S. Representative (IL-08)Raja Krishnamoorthi (D)202-225-371129%
U.S. Representative (IL-06)Sean Casten (D)202-225-45616.5%
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)630-785-317759%
State Senator (State Senate District 39)Don Harmon (Democratic)708-848-200234%
State Senator (State Senate District 24)Seth Lewis (R)630-349-06457.3%
State Representative (State House District 46)Diane Blair-Sherlock (Democratic)630-415-352042%
State Representative (State House District 77)Norma Hernandez (Democratic)708-365-849834%
State Representative (State House District 45)Marti Deuter (Democratic)630-413-108016%
State Representative (State House District 48)Jennifer Sanalitro (R)630-349-06457.3%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 2359%
State Senate District 3934%
State Senate District 247.3%

State house districtShare of residents
State House District 4642%
State House District 7734%
State House District 4516%
State House District 487.3%

ZIP codes

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

Get this in your AI agent

Your agent can get Addison'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:1700243")

Addison 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.