Boundary Atlas

ZIP code 50530: Dayton, IA

ZIP code 50530 is in Dayton (66% of residents), in Webster County (98%) and Boone County (2.1%), Iowa. 34% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 4 (98%) and State Senate District 24 (2.1%); its state house districts are State House District 7 (90%), State House District 8 (7.9%) and State House District 48 (2.1%).

1,164residents (2020 Census)
62.7 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
Dayton66%

CountyShare of ZIP residents
Webster County98%
Boone County2.1%

Town or county subdivisionShare of ZIP residents
Dayton township90%
Yell township5.1%
Burnside township2.8%
Grant township1.4%
Pilot Mound township0.7%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorDave Bills66%
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 4)Tim Kraayenbrink (R)98%
State Senator (State Senate District 24)Jesse Green (R)2.1%
State Representative (State House District 7)Wendy Larson (R)90%
State Representative (State House District 8)Ann Meyer (R)7.9%
State Representative (State House District 48)Chad Behn (R)2.1%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 498%
State Senate District 242.1%

State house districtShare of ZIP residents
State House District 790%
State House District 87.9%
State House District 482.1%

Voting precincts

4 voting precincts overlap ZIP 50530. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50530 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.