Sioux City, Iowa
Sioux City is a city in Woodbury County, Iowa, with 85,839 residents in 2020. It is in Iowa's 4th congressional district. It spans 2 state senate and 3 state house districts.
County
| County | Share of residents |
|---|---|
| Woodbury County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Iowa's 4th congressional district (IA-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-04) | Randy Feenstra (R) | 202-225-4426 | 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 1) | Catelin Drey (Democratic) | 72% | |
| State Senator (State Senate District 7) | Kevin Alons (R) | 28% | |
| State Representative (State House District 1) | J.D. Scholten (Democratic) | 37% | |
| State Representative (State House District 2) | Bob Henderson (R) | 34% | |
| State Representative (State House District 14) | Jacob Bossman (R) | 28% |
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
- Sioux City website: https://www.sioux-city.org
- Sioux City laws: search for the Sioux City, Iowa code of ordinances
- Woodbury County laws: search for the Woodbury County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 1 | 72% |
| State Senate District 7 | 28% |
| State house district | Share of residents |
|---|---|
| State House District 1 | 37% |
| State House District 2 | 34% |
| State House District 14 | 28% |
ZIP codes
Percentages mark ZIPs only partly in Sioux City: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Sioux 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:1973335")
Sioux 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.