Big Rock, Iowa
Big Rock is a Census-designated place (an unincorporated community) in Scott County (69% of residents) and Clinton County (31%), Iowa, with 49 residents in 2020. It is in Iowa's 1st congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Scott County | 69% |
| Clinton County | 31% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Iowa's 1st congressional district (IA-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-01) | Mariannette Miller-Meeks (R) | 202-225-6576 | 100% |
| U.S. Senator | Chuck Grassley (R) | 202-224-3744 · contact form | statewide |
| U.S. Senator | Joni Ernst (R) | 202-224-3254 · contact form | statewide |
| State Senator (State Senate District 41) | Kerry Gruenhagen (R) | 69% | |
| State Senator (State Senate District 35) | Mike Zimmer (Democratic) | 31% | |
| State Representative (State House District 82) | Bobby Kaufmann (R) | 69% | |
| State Representative (State House District 70) | Norlin Mommsen (R) | 31% |
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, Iowa code of ordinances
- Scott County website: https://www.scottcountyiowa.gov/
- Scott County laws: search for the Scott County, Iowa code of ordinances
- Clinton County website: https://www.clintoncounty-ia.gov
- Clinton County laws: search for the Clinton County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 41 | 69% |
| State Senate District 35 | 31% |
| State house district | Share of residents |
|---|---|
| State House District 82 | 69% |
| State House District 70 | 31% |
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:1906535")
Big Rock here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.