Boundary Atlas

ZIP code 60435: Joliet, IL

ZIP code 60435 is in Joliet (94% of residents), Sunnyland (1.7%) and Crystal Lawns (1.6%), in Will County, Illinois. It is in Illinois's 14th congressional district. Its state senate districts are State Senate District 49 (55%) and State Senate District 43 (45%); its state house districts are State House District 98 (55%) and State House District 86 (45%).

48,927residents (2020 Census)
10.8 sq miland area
3cities and towns
1congressional district
30voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Joliet94%
Sunnyland1.7%
Crystal Lawns1.6%

CountyShare of ZIP residents
Will County100%

Town or county subdivisionShare of ZIP residents
Joliet township70%
Plainfield township16%
Troy township14%
Lockport township0.2%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 14th congressional district (IL-14)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 4955%
State Senate District 4345%

State house districtShare of ZIP residents
State House District 9855%
State House District 8645%
State House District 85land only

Voting precincts

30 voting precincts overlap ZIP 60435. 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:60435")

ZIP 60435 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.