Boundary Atlas

ZIP code 60073: Round Lake Beach, IL

ZIP code 60073 is in Round Lake Beach (42% of residents), Round Lake (30%), Round Lake Park (8.8%), Volo (6.3%), Round Lake Heights (4.2%), Long Lake (2.5%) and Hainesville (2.3%), in Lake County, Illinois. It is in Illinois's 10th congressional district (94%) and Illinois's 11th congressional district (6.3%). Its state senate districts are State Senate District 31 (94%), State Senate District 26 (6.3%) and State Senate District 32 (<0.1%); its state house districts are State House District 62 (94%), State House District 52 (6.3%) and State House District 64 (<0.1%).

61,721residents (2020 Census)
18.5 sq miland area
7cities and towns
2congressional districts
36voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Round Lake Beach42%
Round Lake30%
Round Lake Park8.8%
Volo6.3%
Round Lake Heights4.2%
Long Lake2.5%
Hainesville2.3%

CountyShare of ZIP residents
Lake County100%

Town or county subdivisionShare of ZIP residents
Avon township64%
Lake Villa township13%
Grant township11%
Wauconda township6.3%
Fremont township6.2%

Congressional districts

Congressional districtShare of ZIP residents
Illinois's 10th congressional district (IL-10)94%
Illinois's 11th congressional district (IL-11)6.3%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-10)Bradley Scott Schneider (D)202-225-483594%
U.S. Representative (IL-11)Bill Foster (D)202-225-35156.3%
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)847-548-563194%
State Senator (State Senate District 26)Darby Hills (R)224-662-45446.3%
State Senator (State Senate District 32)Craig Wilcox (R)815-455-6330<0.1%
State Representative (State House District 62)Laura Faver Dias (Democratic)224-541-445394%
State Representative (State House District 52)Marty McLaughlin (R)224-634-83006.3%
State Representative (State House District 64)Tom Weber (R)847-629-5439<0.1%

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 3194%
State Senate District 266.3%
State Senate District 32<0.1%

State house districtShare of ZIP residents
State House District 6294%
State House District 526.3%
State House District 64<0.1%

Voting precincts

36 voting precincts overlap ZIP 60073. 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:60073")

ZIP 60073 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.