Rock City, Illinois
Rock City is a village in Stephenson County, Illinois, with 293 residents in 2020. It is in Illinois's 16th congressional district. Its state senate district is State Senate District 45; its state house district is State House District 90.
County
| County | Share of residents |
|---|---|
| Stephenson County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 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 45) | Andrew Chesney (R) | 815-232-0774 | 100% |
| State Representative (State House District 90) | John Cabello (R) | 815-974-0090 | 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
- Rock City laws: search for the Rock City, Illinois code of ordinances
- Stephenson County website: http://www.co.stephenson.il.us
- Stephenson County laws: search for the Stephenson County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 45 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 90 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Rock City: the share of that ZIP's residents living in it.
- 61070 (26%)
Get this in your AI agent
Your agent can get Rock City'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:1764837")
Rock City 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.