ZIP code 45657 is in Otway (3.7% of residents), in Scioto County (89%), Adams County (11%) and Pike County (0.6%), Ohio. 96% of its residents live outside city limits. It is in Ohio's 2nd congressional district. Its state senate districts are State Senate District 14 (99%) and State Senate District 17 (0.6%); its state house districts are State House District 90 (99%) and State House District 91 (0.6%).
9 voting precincts overlap ZIP 45657.
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:45657")
ZIP 45657 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.