Boundary Atlas

ZIP code 61439: Henderson, IL

ZIP code 61439 is in Henderson (94% of residents), in Knox County, Illinois. 6.2% of its residents live outside city limits. It is in Illinois's 17th congressional district. Its state senate district is State Senate District 36; its state house district is State House District 71.

274residents (2020 Census)
1.2 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Henderson94%

CountyShare of ZIP residents
Knox County100%

Town or county subdivisionShare of ZIP residents
Henderson township100%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 17th congressional district (IL-17)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-17)Eric Sorensen (D)202-225-5905100%
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 36)Mike Halpin (Democratic)309-558-3612100%
State Representative (State House District 71)Dan Swanson (R)100%

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 36100%

State house districtShare of ZIP residents
State House District 71100%

Voting precincts

1 voting precinct overlap ZIP 61439. Map them, with each precinct's share of the ZIP's residents.

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ZIP 61439 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.