ZIP code 62943: Grantsburg No. 2 precinct, IL
ZIP code 62943 is in Johnson County (70%), Massac County (19%) and Pope County (11%), Illinois, outside any city or Census-designated place. It is in Illinois's 12th congressional district. Its state senate district is State Senate District 59; its state house district is State House District 117.
See it on the mapAll of Illinois
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Johnson County | 70% |
| Massac County | 19% |
| Pope County | 11% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Grantsburg No. 2 precinct | 41% |
| Grantsburg No. 1 precinct | 29% |
| Georges Creek precinct | 17% |
| Webster No. 5 precinct | 11% |
| Benton precinct | 2.3% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 100% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 59) | Paul Jacobs (R) | 618-559-7018 | 100% |
| State Representative (State House District 117) | Patrick Windhorst (R) | 618-294-8703 | 100% |
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).
Local government
- Johnson County laws: search for the Johnson County, Illinois code of ordinances
- Massac County website: https://www.massaccountyil.gov/
- Massac County laws: search for the Massac County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 59 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 117 | 100% |
Voting precincts
4 voting precincts overlap ZIP 62943. 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:62943")
ZIP 62943 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.