Boundary Atlas

Flossmoor, Illinois

Flossmoor is a village in Cook County, Illinois, with 9,704 residents in 2020. It is in Illinois's 2nd congressional district. It spans 2 state senate and 2 state house districts.

9,704residents (2020 Census)
3.7 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Cook County100%

Congressional district

Congressional districtShare of residents
Illinois's 2nd congressional district (IL-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-02)Robin L. Kelly (D)202-225-0773100%
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 15)Napoleon Harris (Democratic)708-893-055295%
State Senator (State Senate District 40)Patrick Joyce (Democratic)708-756-08825.1%
State Representative (State House District 30)Will Davis (Democratic)708-799-730095%
State Representative (State House District 80)Anthony DeLuca (Democratic)708-754-79005.1%

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 1595%
State Senate District 405.1%

State house districtShare of residents
State House District 3095%
State House District 805.1%

ZIP codes

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

Get this in your AI agent

Your agent can get Flossmoor'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:1726571")

Flossmoor 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.