Boundary Atlas

ZIP code 62941: New Grand Chain, IL

ZIP code 62941 is in New Grand Chain (21% of residents), in Pulaski County (73%) and Massac County (27%), Illinois. 79% of its residents live outside city limits. It is in Illinois's 12th congressional district. Its state senate district is State Senate District 59; its state house districts are State House District 118 (73%) and State House District 117 (27%).

706residents (2020 Census)
30.3 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
New Grand Chain21%

CountyShare of ZIP residents
Pulaski County73%
Massac County27%

Town or county subdivisionShare of ZIP residents
Grand Chain precinct68%
Hillerman precinct24%
Olmsted precinct4.8%
Logan precinct3.3%
Karnak precinct0.4%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 12th congressional district (IL-12)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-12)Mike Bost (R)202-225-5661100%
U.S. SenatorRichard J. Durbin (D)202-224-2152 · contact formstatewide
U.S. SenatorTammy Duckworth (D)202-224-2854 · contact formstatewide
State Senator (State Senate District 59)Paul Jacobs (R)618-559-7018100%
State Representative (State House District 118)Scott Doody (R)73%
State Representative (State House District 117)Patrick Windhorst (R)618-294-870327%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 59100%

State house districtShare of ZIP residents
State House District 11873%
State House District 11727%

Voting precincts

5 voting precincts overlap ZIP 62941. 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:62941")

ZIP 62941 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.