Peru, Illinois
Peru is a city in LaSalle County (100% of residents) and Bureau County (0.1%), Illinois, with 9,939 residents in 2020. It is in Illinois's 14th congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| LaSalle County | 100% |
| Bureau County | 0.1% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 14th congressional district (IL-14) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-14) | Lauren Underwood (D) | 202-225-2976 | 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 38) | Sue Rezin (R) | 815-220-8720 | 100% |
| State Senator (State Senate District 37) | Li Arellano (R) | 779-251-5003 | 0.4% |
| State Representative (State House District 76) | Murri Briel (Democratic) | 815-587-7912 | 100% |
| State Representative (State House District 74) | Brad Fritts (R) | 815-561-3690 | 0.4% |
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
- Peru website: http://www.peru.il.us
- Peru laws: search for the Peru, Illinois code of ordinances
- LaSalle County website: https://lasallecountyil.gov/
- LaSalle County laws: search for the LaSalle County, Illinois code of ordinances
- Bureau County laws: search for the Bureau County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 38 | 100% |
| State Senate District 37 | 0.4% |
| State house district | Share of residents |
|---|---|
| State House District 76 | 100% |
| State House District 74 | 0.4% |
ZIP codes
Percentages mark ZIPs only partly in Peru: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Peru's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1759234")
Peru here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.