ZIP code 61603: Peoria, IL
ZIP code 61603 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.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Peoria | 100% |
| County | Share of ZIP residents |
|---|---|
| Peoria County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Peoria City township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 17th congressional district (IL-17) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Rita Ali | 100% | |
| U.S. Representative (IL-17) | Eric Sorensen (D) | 202-225-5905 | 100% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 46) | Dave Koehler (Democratic) | 309-808-2345 | 100% |
| State Representative (State House District 92) | Jehan Gordon-Booth (Democratic) | 309-681-1992 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Peoria website: http://www.peoriagov.org/
- Peoria council: Peoria City Council
- Peoria laws: search for the Peoria, Illinois code of ordinances
- Peoria County website: https://www.peoriacounty.gov/
- Peoria County laws: search for the Peoria County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 46 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 92 | 100% |
Voting precincts
14 voting precincts overlap ZIP 61603. 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:61603")
ZIP 61603 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.