Boundary Atlas

Wilmington, Illinois

Wilmington is a city in Will County, Illinois, with 5,669 residents in 2020. It is in Illinois's 1st congressional district. It spans 2 state senate and 2 state house districts.

5,669residents (2020 Census)
14.0 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Will County100%

Congressional district

Congressional districtShare of residents
Illinois's 1st congressional district (IL-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-01)Jonathan L. Jackson (D)202-225-4372100%
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 40)Patrick Joyce (Democratic)708-756-088299%
State Senator (State Senate District 43)Rachel Ventura (Democratic)331-290-04430.5%
State Representative (State House District 80)Anthony DeLuca (Democratic)708-754-790099%
State Representative (State House District 86)Larry Walsh (Democratic)815-730-86000.5%

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 4099%
State Senate District 430.5%

State house districtShare of residents
State House District 8099%
State House District 860.5%

ZIP codes

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

Get this in your AI agent

Your agent can get Wilmington'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:1782101")

Wilmington 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.