Boundary Atlas

ZIP code 50643: Hudson, IA

ZIP code 50643 is in Hudson (78% of residents), in Black Hawk County (99%) and Grundy County (1.0%), Iowa. 22% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate districts are State Senate District 38 (81%) and State Senate District 27 (19%); its state house districts are State House District 76 (81%) and State House District 54 (19%).

2,819residents (2020 Census)
57.6 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
Hudson78%

CountyShare of ZIP residents
Black Hawk County99%
Grundy County1.0%

Town or county subdivisionShare of ZIP residents
Black Hawk township86%
Lincoln township11%
Eagle township2.2%
Grant township1.0%

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 38)Dave Sires (R)81%
State Senator (State Senate District 27)Annette Sweeney (R)19%
State Representative (State House District 76)Derek Wulf (R)81%
State Representative (State House District 54)Josh Meggers (R)19%

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 3881%
State Senate District 2719%

State house districtShare of ZIP residents
State House District 7681%
State House District 5419%

Voting precincts

4 voting precincts overlap ZIP 50643. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50643 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.