ZIP code 60030: Grayslake, IL
ZIP code 60030 is in Grayslake (58% of residents), Gages Lake (23%), Round Lake Park (6.1%), Hainesville (5.9%) and Third Lake (3.1%), in Lake County, Illinois. It is in Illinois's 10th congressional district (100%) and Illinois's 11th congressional district (0.2%). Its state senate districts are State Senate District 31 (99%) and State Senate District 26 (0.8%); its state house districts are State House District 62 (73%), State House District 61 (26%) and State House District 52 (0.8%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Grayslake | 58% |
| Gages Lake | 23% |
| Round Lake Park | 6.1% |
| Hainesville | 5.9% |
| Third Lake | 3.1% |
| County | Share of ZIP residents |
|---|---|
| Lake County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Avon township | 64% |
| Warren township | 27% |
| Fremont township | 9.0% |
| Libertyville township | 0.3% |
| Lake Villa township | 0.1% |
| Wauconda township | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 10th congressional district (IL-10) | 100% |
| Illinois's 11th congressional district (IL-11) | 0.2% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-10) | Bradley Scott Schneider (D) | 202-225-4835 | 100% |
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 0.2% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 31) | Mary Edly-Allen (Democratic) | 847-548-5631 | 99% |
| State Senator (State Senate District 26) | Darby Hills (R) | 224-662-4544 | 0.8% |
| State Representative (State House District 62) | Laura Faver Dias (Democratic) | 224-541-4453 | 73% |
| State Representative (State House District 61) | Joyce Mason (Democratic) | 847-485-9986 | 26% |
| State Representative (State House District 52) | Marty McLaughlin (R) | 224-634-8300 | 0.8% |
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
- Grayslake website: http://www.villageofgrayslake.com/
- Grayslake laws: search for the Grayslake, Illinois code of ordinances
- Gages Lake laws: search for the Gages Lake, Illinois code of ordinances
- Round Lake Park laws: search for the Round Lake Park, Illinois code of ordinances
- Lake County website: https://www.lakecountyil.gov/
- Lake County laws: search for the Lake County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 31 | 99% |
| State Senate District 26 | 0.8% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 62 | 73% |
| State House District 61 | 26% |
| State House District 52 | 0.8% |
Voting precincts
36 voting precincts overlap ZIP 60030. 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:60030")
ZIP 60030 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.