Boundary Atlas

Lake Zurich, Illinois

Lake Zurich is a village in Lake County, Illinois, with 19,759 residents in 2020. It spans 2 congressional districts: IL-05 (96%) and IL-09 (4.1%). Its state senate district is State Senate District 26; its state house district is State House District 51.

19,759residents (2020 Census)
6.9 sq miland area
2ZIP codes
2congressional districts

County

CountyShare of residents
Lake County100%

Congressional districts

Congressional districtShare of residents
Illinois's 5th congressional district (IL-05)96%
Illinois's 9th congressional district (IL-09)4.1%

Elected officials

OfficeMemberContactShare of residents
mayorTom Poyntoncitywide
U.S. Representative (IL-05)Mike Quigley (D)202-225-406196%
U.S. Representative (IL-09)Janice D. Schakowsky (D)202-225-21114.1%
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 26)Darby Hills (R)224-662-4544100%
State Representative (State House District 51)Nabeela Syed (Democratic)773-916-6553100%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 26100%

State house districtShare of residents
State House District 51100%

ZIP codes

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

Get this in your AI agent

Your agent can get Lake Zurich'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:1741742")

Lake Zurich 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.