ZIP code 62830 is in Dix (33% of residents), in Jefferson County (96%) and Marion County (3.9%), Illinois. 67% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate districts are State Senate District 58 (96%) and State Senate District 55 (3.9%); its state house districts are State House District 116 (96%) and State House District 110 (3.9%).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
State senate district
Share of ZIP residents
State Senate District 58
96%
State Senate District 55
3.9%
State house district
Share of ZIP residents
State House District 116
96%
State House District 110
3.9%
Voting precincts
6 voting precincts overlap ZIP 62830.
Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
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:62830")
ZIP 62830 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.