River Forest, Illinois
River Forest is a village in Cook County, Illinois, with 11,717 residents in 2020. It is in Illinois's 7th congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Cook County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 7th congressional district (IL-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-07) | Danny K. Davis (D) | 202-225-5006 | 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 39) | Don Harmon (Democratic) | 708-848-2002 | 90% |
| State Senator (State Senate District 4) | Kimberly Lightford (Democratic) | 708-632-4500 | 9.9% |
| State Representative (State House District 78) | Camille Lilly (Democratic) | 773-473-7300 | 90% |
| State Representative (State House District 7) | Chris Welch (Democratic) | 708-450-1000 | 9.9% |
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
- River Forest laws: search for the River Forest, Illinois code of ordinances
- Cook County website: https://www.cookcountyil.gov/
- Cook County laws: search for the Cook County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 39 | 90% |
| State Senate District 4 | 9.9% |
| State house district | Share of residents |
|---|---|
| State House District 78 | 90% |
| State House District 7 | 9.9% |
ZIP codes
Percentages mark ZIPs only partly in River Forest: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get River Forest'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:1764304")
River Forest 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.