ZIP code 50003 is in Adel (65% of residents), in Dallas County, Iowa. 35% of its residents live outside city limits. It is in Iowa's 3rd congressional district. Its state senate districts are State Senate District 14 (85%), State Senate District 12 (14%) and State Senate District 24 (0.9%); its state house districts are State House District 28 (84%), State House District 23 (14%), State House District 47 (0.9%) and State House District 27 (0.2%).
13 voting precincts overlap ZIP 50003.
Map them, with each precinct's share of the ZIP's residents.
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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:50003")
ZIP 50003 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.