Boundary Atlas

ZIP code 60474: South Wilmington, IL

ZIP code 60474 is in South Wilmington (86% of residents) and East Brooklyn (9.7%), in Grundy County, Illinois. It is in Illinois's 16th congressional district. Its state senate district is State Senate District 40; its state house district is State House District 79.

824residents (2020 Census)
5.4 sq miland area
2cities and towns
1congressional district
1voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
South Wilmington86%
East Brooklyn9.7%

CountyShare of ZIP residents
Grundy County100%

Town or county subdivisionShare of ZIP residents
Greenfield township100%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 16th congressional district (IL-16)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-16)Darin LaHood (R)202-225-6201100%
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)708-756-0882100%
State Representative (State House District 79)Jackie Haas (R)815-523-7779100%

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 ZIP residents
State Senate District 40100%

State house districtShare of ZIP residents
State House District 79100%

Voting precincts

1 voting precinct overlap ZIP 60474. Map them, with each precinct's share of the ZIP's residents.

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ZIP 60474 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.