Boundary Atlas

Port Barrington, Illinois

Port Barrington is a village in McHenry County (66% of residents) and Lake County (34%), Illinois, with 1,584 residents in 2020. It spans 2 congressional districts: IL-11 (56%) and IL-09 (44%). It spans 2 state senate and 2 state house districts.

1,584residents (2020 Census)
1.2 sq miland area
2ZIP codes
2congressional districts

County

CountyShare of residents
McHenry County66%
Lake County34%

Congressional districts

Congressional districtShare of residents
Illinois's 11th congressional district (IL-11)56%
Illinois's 9th congressional district (IL-09)44%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-11)Bill Foster (D)202-225-351556%
U.S. Representative (IL-09)Janice D. Schakowsky (D)202-225-211144%
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 32)Craig Wilcox (R)815-455-633066%
State Senator (State Senate District 26)Darby Hills (R)224-662-454434%
State Representative (State House District 63)Steve Reick (R)815-880-534066%
State Representative (State House District 52)Marty McLaughlin (R)224-634-830034%

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 3266%
State Senate District 2634%

State house districtShare of residents
State House District 6366%
State House District 5234%

ZIP codes

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

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Your agent can get Port Barrington'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:1761216")

Port Barrington 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.