Boundary Atlas

ZIP code 50036: Boone, IA

ZIP code 50036 is in Boone (77% of residents), in Boone County (100%) and Hamilton County (0.1%), Iowa. 23% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 24 (100%) and State Senate District 28 (0.1%); its state house districts are State House District 48 (100%) and State House District 55 (0.1%).

16,203residents (2020 Census)
191.7 sq miland area
2cities and towns
1congressional district
11voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Boone77%
Fraser0.6%

CountyShare of ZIP residents
Boone County100%
Hamilton County0.1%

Town or county subdivisionShare of ZIP residents
Des Moines township83%
Jackson township3.8%
Marcy township3.1%
Worth township3.1%
Dodge township2.9%
Yell township1.8%
Harrison township1.7%
Colfax township0.8%
Clear Lake township0.1%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-4426100%
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 24)Jesse Green (R)100%
State Senator (State Senate District 28)Dennis Guth (R)0.1%
State Representative (State House District 48)Chad Behn (R)100%
State Representative (State House District 55)Shannon Latham (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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 24100%
State Senate District 280.1%

State house districtShare of ZIP residents
State House District 48100%
State House District 550.1%

Voting precincts

11 voting precincts overlap ZIP 50036. 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:50036")

ZIP 50036 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.