Boundary Atlas

Park Ridge, Illinois

Park Ridge is a city in Cook County, Illinois, with 39,656 residents in 2020. It spans 2 congressional districts: IL-05 (67%) and IL-09 (33%). It spans 3 state senate and 4 state house districts.

39,656residents (2020 Census)
7.1 sq miland area
1ZIP codes
2congressional districts

County

CountyShare of residents
Cook County100%

Congressional districts

Congressional districtShare of residents
Illinois's 5th congressional district (IL-05)67%
Illinois's 9th congressional district (IL-09)33%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-05)Mike Quigley (D)202-225-406167%
U.S. Representative (IL-09)Janice D. Schakowsky (D)202-225-211133%
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 28)Laura Murphy (Democratic)847-718-111097%
State Senator (State Senate District 8)Ram Villivalam (Democratic)872-208-51882.7%
State Senator (State Senate District 10)Rob Martwick (Democratic)773-286-11150.8%
State Representative (State House District 55)Justin Cochran (Democratic)217-782-800792%
State Representative (State House District 56)Michelle Mussman (Democratic)847-923-91044.3%
State Representative (State House District 15)Michael Kelly (Democratic)773-736-02182.7%
State Representative (State House District 20)Brad Stephens (R)773-444-06110.8%

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 2897%
State Senate District 82.7%
State Senate District 100.8%

State house districtShare of residents
State House District 5592%
State House District 564.3%
State House District 152.7%
State House District 200.8%

ZIP codes

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

Get this in your AI agent

Your agent can get Park Ridge'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:1757875")

Park Ridge 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.