Boundary Atlas

Lockport, Illinois

Lockport is a city in Will County, Illinois, with 26,140 residents in 2020. It spans 2 congressional districts: IL-01 (71%) and IL-14 (29%). It spans 2 state senate and 2 state house districts.

26,140residents (2020 Census)
11.8 sq miland area
2ZIP codes
2congressional districts

County

CountyShare of residents
Will County100%

Congressional districts

Congressional districtShare of residents
Illinois's 1st congressional district (IL-01)71%
Illinois's 14th congressional district (IL-14)29%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-01)Jonathan L. Jackson (D)202-225-437271%
U.S. Representative (IL-14)Lauren Underwood (D)202-225-297629%
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 19)Mike Hastings (Democratic)53%
State Senator (State Senate District 43)Rachel Ventura (Democratic)331-290-044347%
State Representative (State House District 37)Patrick Sheehan (R)708-694-203253%
State Representative (State House District 85)Dee Avelar (Democratic)815-372-008547%

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 1953%
State Senate District 4347%

State house districtShare of residents
State House District 3753%
State House District 8547%

ZIP codes

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

Get this in your AI agent

Your agent can get Lockport'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:1744225")

Lockport 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.