ZIP code 61354: Peru, IL
ZIP code 61354 is in Peru (95% of residents), in LaSalle County (99%) and Bureau County (0.6%), Illinois. 5.0% of its residents live outside city limits. It is in Illinois's 14th congressional district (100%) and Illinois's 16th congressional district (0.1%). Its state senate districts are State Senate District 38 (98%), State Senate District 37 (1.5%) and State Senate District 53 (0.1%); its state house districts are State House District 76 (98%), State House District 74 (1.4%), State House District 105 (0.1%) and State House District 73 (0.1%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Peru | 95% |
| Cedar Point | 0.1% |
| County | Share of ZIP residents |
|---|---|
| LaSalle County | 99% |
| Bureau County | 0.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Peru township | 97% |
| Dimmick township | 1.4% |
| Eden township | 0.8% |
| Hall township | 0.5% |
| LaSalle township | 0.2% |
| Westfield township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 14th congressional district (IL-14) | 100% |
| Illinois's 16th congressional district (IL-16) | 0.1% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 38 | 98% |
| State Senate District 37 | 1.5% |
| State Senate District 53 | 0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 76 | 98% |
| State House District 74 | 1.4% |
| State House District 105 | 0.1% |
| State House District 73 | 0.1% |
Voting precincts
18 voting precincts overlap ZIP 61354. 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:61354")
ZIP 61354 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.