Boundary Atlas

ZIP code 50599: Woolstock, IA

ZIP code 50599 is in Woolstock (42% of residents), in Wright County (90%) and Hamilton County (9.8%), Iowa. 58% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 28; its state house districts are State House District 55 (82%) and State House District 56 (18%).

346residents (2020 Census)
48.7 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Woolstock42%

CountyShare of ZIP residents
Wright County90%
Hamilton County9.8%

Town or county subdivisionShare of ZIP residents
Woolstock township70%
Troy township18%
Fremont township8.1%
Wall Lake township2.0%
Cass township1.7%

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 28)Dennis Guth (R)100%
State Representative (State House District 55)Shannon Latham (R)82%
State Representative (State House District 56)Mark Thompson (R)18%

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 28100%

State house districtShare of ZIP residents
State House District 5582%
State House District 5618%

Voting precincts

3 voting precincts overlap ZIP 50599. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50599 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.