Boundary Atlas

Prospect Heights, Illinois

Prospect Heights is a city in Cook County, Illinois, with 16,058 residents in 2020. It spans 3 congressional districts: IL-09 (97%), IL-10 (1.6%) and IL-05 (1.4%). It spans 2 state senate and 2 state house districts.

16,058residents (2020 Census)
4.2 sq miland area
2ZIP codes
3congressional districts

County

CountyShare of residents
Cook County100%

Congressional districts

Congressional districtShare of residents
Illinois's 9th congressional district (IL-09)97%
Illinois's 10th congressional district (IL-10)1.6%
Illinois's 5th congressional district (IL-05)1.4%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-09)Janice D. Schakowsky (D)202-225-211197%
U.S. Representative (IL-10)Bradley Scott Schneider (D)202-225-48351.6%
U.S. Representative (IL-05)Mike Quigley (D)202-225-40611.4%
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 29)Julie Morrison (Democratic)847-945-520063%
State Senator (State Senate District 27)Mark Walker (Democratic)847-749-188037%
State Representative (State House District 57)Tracy Katz Muhl (Democratic)847-715-905563%
State Representative (State House District 54)Mary Beth Canty (Democratic)224-248-818737%

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 2963%
State Senate District 2737%

State house districtShare of residents
State House District 5763%
State House District 5437%

ZIP codes

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

Get this in your AI agent

Your agent can get Prospect Heights'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:1762016")

Prospect Heights 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.