Boundary Atlas

ZIP code 61611: East Peoria, IL

ZIP code 61611 is in East Peoria (78% of residents), Spring Bay (2.0%) and Bay View Gardens (1.5%), in Tazewell County (84%) and Woodford County (16%), Illinois. 19% of its residents live outside city limits. It is in Illinois's 16th congressional district. Its state senate districts are State Senate District 46 (44%), State Senate District 44 (33%), State Senate District 37 (16%) and State Senate District 53 (6.6%); its state house districts are State House District 91 (44%), State House District 87 (33%), State House District 73 (16%) and State House District 105 (6.6%).

23,837residents (2020 Census)
41.0 sq miland area
3cities and towns
1congressional district
23voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
East Peoria78%
Spring Bay2.0%
Bay View Gardens1.5%

CountyShare of ZIP residents
Tazewell County84%
Woodford County16%

Town or county subdivisionShare of ZIP residents
Fondulac township50%
Groveland township33%
Spring Bay township10%
Worth township5.7%
Washington township<0.1%

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 46)Dave Koehler (Democratic)309-808-234544%
State Senator (State Senate District 44)Sally Turner (R)217-651-829133%
State Senator (State Senate District 37)Li Arellano (R)779-251-500316%
State Senator (State Senate District 53)Chris Balkema (R)815-844-91796.6%
State Representative (State House District 91)Sharon Chung (Democratic)309-808-235144%
State Representative (State House District 87)Bill Hauter (R)309-819-870133%
State Representative (State House District 73)Ryan Spain (R)309-690-737316%
State Representative (State House District 105)Dennis Tipsword (R)815-844-93446.6%

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 4644%
State Senate District 4433%
State Senate District 3716%
State Senate District 536.6%

State house districtShare of ZIP residents
State House District 9144%
State House District 8733%
State House District 7316%
State House District 1056.6%

Voting precincts

23 voting precincts overlap ZIP 61611. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:61611")

ZIP 61611 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.