Cascade, Iowa
Cascade is a city in Dubuque County (84% of residents) and Jones County (16%), Iowa, with 2,386 residents in 2020. It spans 2 congressional districts: IA-02 (84%) and IA-01 (16%). It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Dubuque County | 84% |
| Jones County | 16% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Iowa's 2nd congressional district (IA-02) | 84% |
| Iowa's 1st congressional district (IA-01) | 16% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-02) | Ashley Hinson (R) | 202-225-2911 | 84% |
| U.S. Representative (IA-01) | Mariannette Miller-Meeks (R) | 202-225-6576 | 16% |
| 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 34) | Dan Zumbach (R) | 84% | |
| State Senator (State Senate District 33) | Carrie Koelker (R) | 16% | |
| State Representative (State House District 67) | Craig Johnson (R) | 84% | |
| State Representative (State House District 66) | Steve Bradley (R) | 16% |
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
- Cascade website: http://www.cascadeiowa.org/
- Cascade laws: search for the Cascade, Iowa code of ordinances
- Dubuque County website: http://www.dubuquecounty.org
- Dubuque County laws: search for the Dubuque County, Iowa code of ordinances
- Jones County laws: search for the Jones County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 34 | 84% |
| State Senate District 33 | 16% |
| State house district | Share of residents |
|---|---|
| State House District 67 | 84% |
| State House District 66 | 16% |
ZIP codes
Percentages mark ZIPs only partly in Cascade: the share of that ZIP's residents living in it.
- 52033 (69%)
Get this in your AI agent
Your agent can get Cascade'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:1911305")
Cascade 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.