Boundary Atlas

ZIP code 50021: Ankeny, IA

ZIP code 50021 is in Ankeny (97% of residents), in Polk County, Iowa. It is in Iowa's 3rd congressional district. Its state senate districts are State Senate District 21 (92%), State Senate District 20 (5.2%) and State Senate District 23 (2.7%); its state house districts are State House District 41 (69%), State House District 42 (23%), State House District 40 (5.2%) and State House District 45 (2.7%).

28,807residents (2020 Census)
24.1 sq miland area
2cities and towns
1congressional district
13voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Ankeny97%
Saylorville0.8%

CountyShare of ZIP residents
Polk County100%

Town or county subdivisionShare of ZIP residents
Crocker township72%
Douglas township26%
Lincoln township1.3%
Delaware township0.6%
Saylor township0.2%
Elkhart township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 3rd congressional district (IA-03)100%

Elected officials

OfficeMemberContactShare of residents
MayorBobbi Bentz515-965-640097%
U.S. Representative (IA-03)Zachary Nunn (R)202-225-5476100%
U.S. SenatorChuck Grassley (R)202-224-3744 · contact formstatewide
U.S. SenatorJoni Ernst (R)202-224-3254 · contact formstatewide
State Senator (State Senate District 21)Mike Bousselot (R)92%
State Senator (State Senate District 20)Mike Pike (R)5.2%
State Senator (State Senate District 23)Jack Whitver (R)2.7%
State Representative (State House District 41)Ryan Weldon (R)69%
State Representative (State House District 42)Heather Matson (Democratic)23%
State Representative (State House District 40)Bill Gustoff (R)5.2%
State Representative (State House District 45)Brian Lohse (R)2.7%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2192%
State Senate District 205.2%
State Senate District 232.7%

State house districtShare of ZIP residents
State House District 4169%
State House District 4223%
State House District 405.2%
State House District 452.7%

Voting precincts

13 voting precincts overlap ZIP 50021. Map them, with each precinct's share of the ZIP's residents.

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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:50021")

ZIP 50021 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.