Boundary Atlas

Carol Stream, Illinois

Carol Stream is a village in DuPage County, Illinois, with 40,028 residents in 2020. It spans 2 congressional districts: IL-08 (97%) and IL-03 (2.9%). It spans 2 state senate and 3 state house districts.

40,028residents (2020 Census)
9.3 sq miland area
3ZIP codes
2congressional districts

County

CountyShare of residents
DuPage County100%

Congressional districts

Congressional districtShare of residents
Illinois's 8th congressional district (IL-08)97%
Illinois's 3rd congressional district (IL-03)2.9%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-08)Raja Krishnamoorthi (D)202-225-371197%
U.S. Representative (IL-03)Delia C. Ramirez (D)202-225-57012.9%
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 24)Seth Lewis (R)630-349-064579%
State Senator (State Senate District 23)Suzy Glowiak Hilton (Democratic)630-785-317721%
State Representative (State House District 47)Amy Grant (R)331-218-418256%
State Representative (State House District 48)Jennifer Sanalitro (R)630-349-064523%
State Representative (State House District 46)Diane Blair-Sherlock (Democratic)630-415-352021%

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 2479%
State Senate District 2321%

State house districtShare of residents
State House District 4756%
State House District 4823%
State House District 4621%

ZIP codes

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

Get this in your AI agent

Your agent can get Carol Stream'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:1711332")

Carol Stream 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.