ZIP code 58554 is in Mandan (85% of residents), in Morton County (100%) and Oliver County (0.2%), North Dakota. 15% of its residents live outside city limits. It is in North Dakota's at-large congressional district. Its state senate districts are State Senate District 34 (60%), State Senate District 31 (26%) and State Senate District 33 (14%); its state house districts are State House District 34 (60%), State House District 31 (26%) and State House District 33 (14%).
13 voting precincts overlap ZIP 58554.
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:58554")
ZIP 58554 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.