Boundary Atlas

ZIP code 60048: Libertyville, IL

ZIP code 60048 is in Libertyville (70% of residents), Green Oaks (13%), Waukegan (5.3%) and Mettawa (1.0%), in Lake County, Illinois. 11% of its residents live outside city limits. It is in Illinois's 10th congressional district. Its state senate districts are State Senate District 31 (58%), State Senate District 26 (23%), State Senate District 30 (19%) and State Senate District 29 (0.7%); its state house districts are State House District 62 (57%), State House District 52 (23%), State House District 59 (19%), State House District 61 (0.7%) and State House District 58 (0.7%).

29,353residents (2020 Census)
28.4 sq miland area
6cities and towns
1congressional district
32voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Libertyville70%
Green Oaks13%
Waukegan5.3%
Mettawa1.0%
Gurnee0.9%
Gages Lake0.4%

CountyShare of ZIP residents
Lake County100%

Town or county subdivisionShare of ZIP residents
Libertyville township96%
Warren township3.5%
Vernon township0.2%
Fremont township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 10th congressional district (IL-10)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-10)Bradley Scott Schneider (D)202-225-4835100%
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 31)Mary Edly-Allen (Democratic)847-548-563158%
State Senator (State Senate District 26)Darby Hills (R)224-662-454423%
State Senator (State Senate District 30)Adriane Johnson (Democratic)847-672-620119%
State Senator (State Senate District 29)Julie Morrison (Democratic)847-945-52000.7%
State Representative (State House District 62)Laura Faver Dias (Democratic)224-541-445357%
State Representative (State House District 52)Marty McLaughlin (R)224-634-830023%
State Representative (State House District 59)Dan Didech (Democratic)847-478-990919%
State Representative (State House District 61)Joyce Mason (Democratic)847-485-99860.7%
State Representative (State House District 58)Bob Morgan (Democratic)847-780-84710.7%

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 3158%
State Senate District 2623%
State Senate District 3019%
State Senate District 290.7%

State house districtShare of ZIP residents
State House District 6257%
State House District 5223%
State House District 5919%
State House District 610.7%
State House District 580.7%

Voting precincts

32 voting precincts overlap ZIP 60048. 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:60048")

ZIP 60048 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.