Des Moines, Iowa
Des Moines is a city in Polk County (100% of residents) and Warren County (0.1%), Iowa, with 214,133 residents in 2020. It spans 2 congressional districts: IA-03 (100%) and IA-01 (0.1%). It spans 5 state senate and 9 state house districts.
County
| County | Share of residents |
|---|---|
| Polk County | 100% |
| Warren County | 0.1% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Iowa's 3rd congressional district (IA-03) | 100% |
| Iowa's 1st congressional district (IA-01) | 0.1% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-03) | Zachary Nunn (R) | 202-225-5476 | 100% |
| U.S. Representative (IA-01) | Mariannette Miller-Meeks (R) | 202-225-6576 | 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 17) | Izaah Knox (Democratic) | 30% | |
| State Senator (State Senate District 18) | Janet Petersen (Democratic) | 30% | |
| State Senator (State Senate District 15) | Tony Bisignano (Democratic) | 30% | |
| State Senator (State Senate District 20) | Mike Pike (R) | 10% | |
| State Representative (State House District 33) | Ruth Ann Gaines (Democratic) | 15% | |
| State Representative (State House District 35) | Sean Bagniewski (Democratic) | 15% | |
| State Representative (State House District 36) | Austin Baeth (Democratic) | 15% | |
| State Representative (State House District 30) | Megan Srinivas (Democratic) | 15% | |
| State Representative (State House District 34) | Rob Johnson (Democratic) | 15% | |
| State Representative (State House District 29) | Brian Meyer (Democratic) | 15% | |
| State Representative (State House District 39) | Rick Olson (Democratic) | 9.7% | |
| State Representative (State House District 40) | Bill Gustoff (R) | 0.6% | |
| State Representative (State House District 22) | Samantha Fett (R) | 0.1% |
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
- Des Moines website: https://www.catchdesmoines.com/
- Des Moines laws: search for the Des Moines, Iowa code of ordinances
- Polk County website: https://www.polkcountyiowa.gov/
- Polk County laws: search for the Polk County, Iowa code of ordinances
- Warren County website: https://www.warrencountyia.gov/
- Warren County laws: search for the Warren County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 17 | 30% |
| State Senate District 18 | 30% |
| State Senate District 15 | 30% |
| State Senate District 20 | 10% |
| State Senate District 11 | 0.1% |
| State house district | Share of residents |
|---|---|
| State House District 33 | 15% |
| State House District 35 | 15% |
| State House District 36 | 15% |
| State House District 30 | 15% |
| State House District 34 | 15% |
| State House District 29 | 15% |
| State House District 39 | 9.7% |
| State House District 40 | 0.6% |
| State House District 22 | 0.1% |
ZIP codes
Percentages mark ZIPs only partly in Des Moines: the share of that ZIP's residents living in it.
- 50009 (0.1%)
- 50047 (1.8%)
- 50211 (0.5%)
- 50309
- 50310 (98%)
- 50311
- 50312
- 50313 (68%)
- 50314
- 50315
- 50316
- 50317 (92%)
- 50320 (93%)
- 50321
- 50322 (8.9%)
Get this in your AI agent
Your agent can get Des Moines'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:1921000")
Des Moines 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.