ZIP code 51020 is in Galva (68% of residents), in Ida County (88%), Sac County (6.9%), Cherokee County (3.0%) and Buena Vista County (2.0%), Iowa. 32% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 6 (88%), State Senate District 4 (6.9%) and State Senate District 3 (5.0%); its state house districts are State House District 12 (88%), State House District 7 (6.9%) and State House District 5 (5.0%).
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).
5 voting precincts overlap ZIP 51020.
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:51020")
ZIP 51020 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.