Boundary Atlas

Harwood Heights, Illinois

Harwood Heights is a village in Cook County, Illinois, with 9,065 residents in 2020. It is in Illinois's 5th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 10.

9,065residents (2020 Census)
0.8 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Cook County100%

Congressional district

Congressional districtShare of residents
Illinois's 5th congressional district (IL-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-05)Mike Quigley (D)202-225-4061100%
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 10)Rob Martwick (Democratic)773-286-1115100%
State Representative (State House District 20)Brad Stephens (R)773-444-061152%
State Representative (State House District 19)Lindsey LaPointe (Democratic)773-647-117448%

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 10100%

State house districtShare of residents
State House District 2052%
State House District 1948%

ZIP codes

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

Get this in your AI agent

Your agent can get Harwood 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:1733435")

Harwood 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.