Boundary Atlas

ZIP code 61606: Peoria, IL

ZIP code 61606 is in Peoria, in Peoria County, Illinois. It is in Illinois's 17th congressional district. Its state senate district is State Senate District 46; its state house district is State House District 92.

6,798residents (2020 Census)
1.2 sq miland area
2cities and towns
1congressional district
8voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Peoria100%
West Peoria0.3%

CountyShare of ZIP residents
Peoria County100%

Town or county subdivisionShare of ZIP residents
Peoria City township100%
West Peoria city0.3%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 46100%

State house districtShare of ZIP residents
State House District 92100%

Voting precincts

8 voting precincts overlap ZIP 61606. Map them, with each precinct's share of the ZIP's residents.

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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:61606")

ZIP 61606 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.