Grayslake is a village in Lake County, Illinois, home to about 20,929 people across 11 square miles. Its ZIP code is 60030.
Homes sold for a median of $200 per square foot in the three months ending August 2026, a seller’s market.
Mostly Grayslake; also Gages Lake and Round Lake Park
Each card is that ZIP code’s whole market, including any part outside Grayslake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Grayslake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)27 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL40 miles away |
Straight-line distances from the center of Grayslake; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Grayslake had 21,248 residents in the 2020 census, up 15% since 2000.
It’s the 115th largest of 1,450 towns in Illinois by population.
Lake County grew from 34,504 residents in 1900 to 714,342 in 2020.
Lake County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 15°F. About 37.7 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Lake Villa 2ne, IL weather station (5 miles away).
337,069 jobs at 20,076 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
419 doctors and other health care providers list an office in Grayslake.
Nearest hospitals
Providers with an office here
| Primary care doctors | 49 |
|---|---|
| Specialist doctors | 38 |
| Dentists | 30 |
| Nurse practitioners and physician assistants | 28 |
| Mental health providers | 179 |
| Physical and occupational therapists | 80 |
| Optometrists | 4 |
| Chiropractors | 11 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (24 nearby)
Grocery stores (8 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums (2 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1840.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Grayslake CCSD 46, Spec Educ Dist Lake County/Sedol, Woodland CCSD 50 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Grayslake Early ChildhoodHainesville | Pre-K | 147 | Public | 0.8 mi |
| Laremont SchoolGages Lake | Pre-K–12 | — | Special Education | 3.7 mi |
| Woodland Primary SchoolGages Lake | Pre-K–K | 657 | Public | 4.3 mi |
| Meadowview SchoolGrayslake | K–4 | 351 | Public | 0.8 mi |
| Prairie Crossing Charter SchoolGrayslake | K–8 | 433 | Charter | 2.9 mi |
| Prairieview SchoolHainesville | K–4 | 400 | Public | 0.8 mi |
| Woodview SchoolGrayslake | K–4 | 450 | Public | 0.3 mi |
| Woodland ElementaryGages Lake | 1–3 | 1,386 | Public | 4.3 mi |
| Frederick SchoolGrayslake | 5–6 | 667 | Public | 1.2 mi |
| Lake County Cooperative ALOPGages Lake | 6–12 | — | Alternative Education | 3.5 mi |
| Grayslake Middle SchoolGrayslake | 7–8 | 641 | Public | 1.0 mi |
| Lake Co Collaborative AlopGrayslake | 7–12 | — | Alternative Education | 3.5 mi |
| Grayslake Central High SchoolGrayslake | 9–12 | 1,375 | Public | 0.6 mi |
| Grayslake North High SchoolGrayslake | 9–12 | 1,208 | Public | 1.7 mi |
| Lake Co High Schools Tech CampusGrayslake | 9–12 | — | Career and Technical | 2.0 mi |
| Cyd Lash AcademyGages Lake | — | — | Special Education | 3.6 mi |
| Gages Lake SchoolGages Lake | — | — | Special Education | 3.5 mi |
| SEDOL Sector ProgramsGages Lake | — | — | Special Education | 3.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Gilbert Elementary SchoolGrayslake | Pre-K–8 | 320 | Roman Catholic | 0.7 mi |
| Westlake Christian AcademyGrayslake | Pre-K–12 | 251 | Christian (no specific denomination) | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Gages Lake, Round Lake Park, Hainesville and Third Lake.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.