Boundary Atlas

Wilmette, Illinois

Wilmette is a village in Cook County, Illinois, with 28,170 residents in 2020. It spans 2 congressional districts: IL-09 (66%) and IL-10 (34%). It spans 2 state senate and 3 state house districts.

28,170residents (2020 Census)
5.4 sq miland area
2ZIP codes
2congressional districts

County

CountyShare of residents
Cook County100%

Congressional districts

Congressional districtShare of residents
Illinois's 9th congressional district (IL-09)66%
Illinois's 10th congressional district (IL-10)34%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-09)Janice D. Schakowsky (D)202-225-211166%
U.S. Representative (IL-10)Bradley Scott Schneider (D)202-225-483534%
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 9)Laura Fine (Democratic)847-998-171796%
State Senator (State Senate District 29)Julie Morrison (Democratic)847-945-52003.7%
State Representative (State House District 18)Robyn Gabel (Democratic)847-424-540156%
State Representative (State House District 17)Jen Gong-Gershowitz (Democratic)847-486-881041%
State Representative (State House District 57)Tracy Katz Muhl (Democratic)847-715-90553.7%

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 996%
State Senate District 293.7%

State house districtShare of residents
State House District 1856%
State House District 1741%
State House District 573.7%

ZIP codes

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

Get this in your AI agent

Your agent can get Wilmette'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:1782075")

Wilmette 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.