ZIP code 48623 is in Freeland (50% of residents), in Saginaw County (88%), Midland County (8.1%) and Bay County (4.1%), Michigan. 50% of its residents live outside city limits. It is in Michigan's 8th congressional district. Its state senate districts are State Senate District 35 (83%) and State Senate District 26 (17%); its state house districts are State House District 97 (72%), State House District 93 (17%), State House District 95 (8.1%) and State House District 96 (2.6%).
15 voting precincts overlap ZIP 48623.
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:48623")
ZIP 48623 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.