Boundary Atlas

ZIP code 61734: Delavan, IL

ZIP code 61734 is in Delavan (60% of residents), in Tazewell County, Illinois. 40% of its residents live outside city limits. It is in Illinois's 17th congressional district. Its state senate districts are State Senate District 44 (99%) and State Senate District 47 (1.0%); its state house districts are State House District 87 (99%) and State House District 94 (1.0%).

2,597residents (2020 Census)
76.5 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Delavan60%

CountyShare of ZIP residents
Tazewell County100%

Town or county subdivisionShare of ZIP residents
Delavan township74%
Dillon township20%
Boynton township4.9%
Malone township1.0%
Sand Prairie townshipland only

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 44)Sally Turner (R)217-651-829199%
State Senator (State Senate District 47)Neil Anderson (R)309-230-75841.0%
State Representative (State House District 87)Bill Hauter (R)309-819-870199%
State Representative (State House District 94)Norine Hammond (R)309-836-27071.0%

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 4499%
State Senate District 471.0%

State house districtShare of ZIP residents
State House District 8799%
State House District 941.0%

Voting precincts

5 voting precincts overlap ZIP 61734. Map them, with each precinct's share of the ZIP's residents.

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ZIP 61734 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.