ZIP code 50831: Arispe, IA

ZIP code 50831 is in Arispe, in Union County, Iowa. It is in Iowa's 3rd congressional district. Its state senate district is State Senate District 9; its state house district is State House District 17.

38residents (2020 Census)

0.2 sq miland area

1cities and towns

1congressional district

1voting precincts

See it on the map All of Iowa

City and county

City or town	Share of ZIP residents
Arispe	100%

County	Share of ZIP residents
Union County	100%

Town or county subdivision	Share of ZIP residents
Sand Creek township	100%

Congressional district

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

Members of Congress

Office	Member	Contact
U.S. Representative (IA-03)	Zachary Nunn (R)	202-225-5476
U.S. Senator	Chuck Grassley (R)	202-224-3744 · contact form
U.S. Senator	Joni Ernst (R)	202-224-3254 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate district	Share of ZIP residents
State Senate District 9	100%

State house district	Share of ZIP residents
State House District 17	100%

Voting precincts

1 voting precinct overlap ZIP 50831. 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:50831")

ZIP 50831 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.