Boundary Atlas

ZIP code 50446: Joice, IA

ZIP code 50446 is in Joice (40% of residents), in Worth County (92%) and Winnebago County (7.6%), Iowa. 60% of its residents live outside city limits. It is in Iowa's 2nd congressional district (92%) and Iowa's 4th congressional district (7.6%). Its state senate districts are State Senate District 30 (92%) and State Senate District 5 (7.6%); its state house districts are State House District 60 (92%) and State House District 9 (7.6%).

526residents (2020 Census)
39.2 sq miland area
1cities and towns
2congressional districts
5voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Joice40%

CountyShare of ZIP residents
Worth County92%
Winnebago County7.6%

Town or county subdivisionShare of ZIP residents
Bristol township62%
Fertile township29%
Mount Valley township4.0%
Center township3.6%
Brookfield township1.7%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)92%
Iowa's 4th congressional district (IA-04)7.6%

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

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-291192%
U.S. Representative (IA-04)Randy Feenstra (R)202-225-44267.6%
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 30)Doug Campbell (R)92%
State Senator (State Senate District 5)Dave Rowley (R)7.6%
State Representative (State House District 60)Jane Bloomingdale (R)92%
State Representative (State House District 9)Henry Stone (R)7.6%

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 3092%
State Senate District 57.6%

State house districtShare of ZIP residents
State House District 6092%
State House District 97.6%

Voting precincts

5 voting precincts overlap ZIP 50446. 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:50446")

ZIP 50446 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.