Boundary Atlas

ZIP code 60552: Lake Holiday, IL

ZIP code 60552 is in Lake Holiday (47% of residents) and Somonauk (41%), in LaSalle County (55%) and DeKalb County (45%), Illinois. 11% of its residents live outside city limits. It is in Illinois's 14th congressional district. Its state senate districts are State Senate District 38 (90%) and State Senate District 35 (10%); its state house districts are State House District 75 (86%), State House District 70 (10%) and State House District 76 (3.6%).

4,339residents (2020 Census)
26.6 sq miland area
2cities and towns
1congressional district
8voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Lake Holiday47%
Somonauk41%

CountyShare of ZIP residents
LaSalle County55%
DeKalb County45%

Town or county subdivisionShare of ZIP residents
Northville township54%
Somonauk township42%
Victor township2.5%
Adams township1.1%
Squaw Grove township0.5%

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 3890%
State Senate District 3510%

State house districtShare of ZIP residents
State House District 7586%
State House District 7010%
State House District 763.6%

Voting precincts

8 voting precincts overlap ZIP 60552. 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:60552")

ZIP 60552 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.