Boundary Atlas

ZIP code 61530: Eureka, IL

ZIP code 61530 is in Eureka (78% of residents), in Woodford County (99%) and Tazewell County (0.5%), Illinois. 22% of its residents live outside city limits. It is in Illinois's 16th congressional district. Its state senate districts are State Senate District 53 (90%) and State Senate District 46 (10%); its state house districts are State House District 105 (90%) and State House District 91 (10%).

6,698residents (2020 Census)
63.7 sq miland area
1cities and towns
1congressional district
13voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Eureka78%

CountyShare of ZIP residents
Woodford County99%
Tazewell County0.5%

Town or county subdivisionShare of ZIP residents
Olio township69%
Cruger township27%
Metamora township1.5%
Roanoke township1.0%
Montgomery township0.6%
Washington township0.5%
Palestine township0.4%

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 53)Chris Balkema (R)815-844-917990%
State Senator (State Senate District 46)Dave Koehler (Democratic)309-808-234510%
State Representative (State House District 105)Dennis Tipsword (R)815-844-934490%
State Representative (State House District 91)Sharon Chung (Democratic)309-808-235110%

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 5390%
State Senate District 4610%

State house districtShare of ZIP residents
State House District 10590%
State House District 9110%

Voting precincts

13 voting precincts overlap ZIP 61530. Map them, with each precinct's share of the ZIP's residents.

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ZIP 61530 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.