Boundary Atlas

ZIP code 50682: Winthrop, IA

ZIP code 50682 is in Winthrop (53% of residents), in Buchanan County, Iowa. 47% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate district is State Senate District 34; its state house districts are State House District 67 (94%) and State House District 68 (5.5%).

1,558residents (2020 Census)
86.6 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Winthrop53%

CountyShare of ZIP residents
Buchanan County100%

Town or county subdivisionShare of ZIP residents
Byron township53%
Liberty township14%
Middlefield township13%
Fremont township11%
Newton township5.8%
Cono township2.2%
Madison township1.0%
Buffalo townshipland only

Congressional district

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-2911100%
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 34)Dan Zumbach (R)100%
State Representative (State House District 67)Craig Johnson (R)94%
State Representative (State House District 68)Chad Ingels (R)5.5%

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 34100%

State house districtShare of ZIP residents
State House District 6794%
State House District 685.5%

Voting precincts

4 voting precincts overlap ZIP 50682. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50682 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.