Boundary Atlas

ZIP code 52590: Seymour, IA

ZIP code 52590 is in Seymour (42% of residents), in Wayne County (95%) and Appanoose County (5.4%), Iowa. 58% of its residents live outside city limits. It is in Iowa's 3rd congressional district. Its state senate districts are State Senate District 12 (99%) and State Senate District 13 (1.3%); its state house districts are State House District 24 (99%) and State House District 26 (1.3%).

1,503residents (2020 Census)
81.4 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
Seymour42%

CountyShare of ZIP residents
Wayne County95%
Appanoose County5.4%

Town or county subdivisionShare of ZIP residents
Walnut township68%
Monroe township24%
Lincoln township3.7%
South Fork township2.2%
Franklin township1.3%
Johns township0.4%
Howard township0.1%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 3rd congressional district (IA-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-03)Zachary Nunn (R)202-225-5476100%
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 12)Amy Sinclair (R)99%
State Senator (State Senate District 13)Cherielynn Westrich (R)1.3%
State Representative (State House District 24)Sam Wengryn (R)99%
State Representative (State House District 26)Austin Harris (R)1.3%

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 1299%
State Senate District 131.3%

State house districtShare of ZIP residents
State House District 2499%
State House District 261.3%

Voting precincts

4 voting precincts overlap ZIP 52590. 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:52590")

ZIP 52590 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.