Big Rock, Illinois
Big Rock is a village in Kane County, Illinois, with 1,104 residents in 2020. It is in Illinois's 14th congressional district. Its state senate district is State Senate District 35; its state house district is State House District 70.
County
| County | Share of residents |
|---|---|
| Kane County | 100% |
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 35) | Dave Syverson (R) | 815-987-7555 | 100% |
| State Representative (State House District 70) | Jeff Keicher (R) | 815-748-3494 | 100% |
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
- Big Rock laws: search for the Big Rock, Illinois code of ordinances
- Kane County website: http://www.countyofkane.org/
- Kane County laws: search for the Kane County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 35 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 70 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Big Rock: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Big Rock'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:1705976")
Big Rock 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.