ZIP code 97405 is in Eugene (86% of residents), in Lane County, Oregon. 14% of its residents live outside city limits. It is in Oregon's 4th congressional district. Its state senate districts are State Senate District 4 (58%), State Senate District 7 (25%), State Senate District 6 (15%) and State Senate District 5 (1.5%); its state house districts are State House District 8 (58%), State House District 14 (25%), State House District 12 (15%) and State House District 9 (1.5%).
14 voting precincts overlap ZIP 97405.
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:97405")
ZIP 97405 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.