ZIP code 62801 is in Centralia (59% of residents), Central City (5.4%) and Wamac (4.8%), in Marion County (73%), Clinton County (23%), Washington County (2.1%) and Jefferson County (1.9%), Illinois. 30% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate districts are State Senate District 55 (98%) and State Senate District 58 (1.9%); its state house districts are State House District 110 (96%), State House District 109 (2.1%) and State House District 116 (1.9%).
30 voting precincts overlap ZIP 62801.
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:62801")
ZIP 62801 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.