ZIP code 50226: Polk City, IA
ZIP code 50226 is in Polk City (81% of residents), in Polk County (100%) and Story County (<0.1%), Iowa. 19% of its residents live outside city limits. It is in Iowa's 3rd congressional district (100%) and Iowa's 4th congressional district (<0.1%). Its state senate districts are State Senate District 23 (100%), State Senate District 26 (<0.1%) and State Senate District 21 (<0.1%); its state house districts are State House District 45 (100%), State House District 51 (<0.1%) and State House District 41 (<0.1%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Polk City | 81% |
| Ankeny | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Polk County | 100% |
| Story County | <0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Madison township | 81% |
| Crocker township | 15% |
| Lincoln township | 2.3% |
| Union township | 1.1% |
| Saylorville Reservoir UT | 1.0% |
| Palestine township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Iowa's 3rd congressional district (IA-03) | 100% |
| Iowa's 4th congressional district (IA-04) | <0.1% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Steve Karsjen | 81% | |
| U.S. Representative (IA-03) | Zachary Nunn (R) | 202-225-5476 | 100% |
| U.S. Representative (IA-04) | Randy Feenstra (R) | 202-225-4426 | <0.1% |
| 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 23) | Jack Whitver (R) | 100% | |
| State Senator (State Senate District 26) | Kara Warme (R) | <0.1% | |
| State Senator (State Senate District 21) | Mike Bousselot (R) | <0.1% | |
| State Representative (State House District 45) | Brian Lohse (R) | 100% | |
| State Representative (State House District 51) | Brett Barker (R) | <0.1% | |
| State Representative (State House District 41) | Ryan Weldon (R) | <0.1% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Polk City website: http://www.polkcityia.gov/
- Polk City laws: search for the Polk City, Iowa code of ordinances
- Polk County website: https://www.polkcountyiowa.gov/
- Polk County laws: search for the Polk County, Iowa code of ordinances
- Story County website: https://www.storycountyiowa.gov/
- Story County laws: search for the Story County, Iowa code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 100% |
| State Senate District 26 | <0.1% |
| State Senate District 21 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 45 | 100% |
| State House District 51 | <0.1% |
| State House District 41 | <0.1% |
Voting precincts
8 voting precincts overlap ZIP 50226. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:50226")
ZIP 50226 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.