ZIP code 50109 is in Granger (50% of residents), in Polk County (51%) and Dallas County (49%), Iowa. 50% of its residents live outside city limits. It is in Iowa's 3rd congressional district. Its state senate districts are State Senate District 23 (100%) and State Senate District 22 (<0.1%); its state house districts are State House District 45 (51%), State House District 46 (49%) and State House District 43 (<0.1%).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
4 voting precincts overlap ZIP 50109.
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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:50109")
ZIP 50109 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.