Boundary Atlas

ZIP code 61313: Sunbury, IL

ZIP code 61313 is in Livingston County, Illinois, outside any city or Census-designated place. It is in Illinois's 16th congressional district (94%) and Illinois's 2nd congressional district (5.6%). Its state senate district is State Senate District 53; its state house districts are State House District 106 (68%) and State House District 105 (32%).

304residents (2020 Census)
40.6 sq miland area
0cities and towns
2congressional districts
3voting precincts

See it on the mapAll of Illinois

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Livingston County100%

Town or county subdivisionShare of ZIP residents
Sunbury township62%
Newtown township32%
Nevada township5.6%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 16th congressional district (IL-16)94%
Illinois's 2nd congressional district (IL-02)5.6%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 53100%

State house districtShare of ZIP residents
State House District 10668%
State House District 10532%

Voting precincts

3 voting precincts overlap ZIP 61313. 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:61313")

ZIP 61313 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.