Boundary Atlas

ZIP code 50002: Adair, IA

ZIP code 50002 is in Adair (62% of residents), in Adair County (78%), Guthrie County (22%) and Audubon County (0.2%), Iowa. 38% of its residents live outside city limits. It is in Iowa's 3rd congressional district (100%) and Iowa's 4th congressional district (0.2%). Its state senate districts are State Senate District 12 (78%), State Senate District 24 (22%) and State Senate District 6 (0.2%); its state house districts are State House District 23 (78%), State House District 47 (22%) and State House District 11 (0.2%).

1,274residents (2020 Census)
110.6 sq miland area
1cities and towns
2congressional districts
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Adair62%

CountyShare of ZIP residents
Adair County78%
Guthrie County22%
Audubon County0.2%

Town or county subdivisionShare of ZIP residents
Summit township74%
Grant township15%
Bear Grove township5.7%
Eureka township2.9%
Thompson township1.0%
Walnut township0.7%
Baker township0.6%
Audubon township0.2%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 3rd congressional district (IA-03)100%
Iowa's 4th congressional district (IA-04)0.2%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1278%
State Senate District 2422%
State Senate District 60.2%

State house districtShare of ZIP residents
State House District 2378%
State House District 4722%
State House District 110.2%

Voting precincts

3 voting precincts overlap ZIP 50002. 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:50002")

ZIP 50002 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.