Altoona, Iowa
Altoona is a city in Polk County, Iowa, with 19,586 residents in 2020. It is in Iowa's 3rd congressional district. Its state senate district is State Senate District 20; its state house district is State House District 40.
County
| County | Share of residents |
|---|---|
| Polk County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Iowa's 3rd congressional district (IA-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-03) | Zachary Nunn (R) | 202-225-5476 | 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 20) | Mike Pike (R) | 100% | |
| State Representative (State House District 40) | Bill Gustoff (R) | 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
- Altoona website: http://www.altoona-iowa.com/
- Altoona laws: search for the Altoona, Iowa code of ordinances
- Polk County website: https://www.polkcountyiowa.gov/
- Polk County laws: search for the Polk County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 20 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 40 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Altoona: the share of that ZIP's residents living in it.
- 50009 (92%)
Get this in your AI agent
Your agent can get Altoona'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:1901630")
Altoona 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.