Green Oaks is a village in Lake County, Illinois, home to about 4,096 people across 4.0 square miles. It has no ZIP code of its own: it’s part of 60044 and 60048.
Homes sold for a median of $310 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Lake Bluff; part is in Green Oaks
Mostly Libertyville; part is in Green Oaks
Each card is that ZIP code’s whole market, including any part outside Green Oaks. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Green Oaks’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)21 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL33 miles away |
Straight-line distances from the center of Green Oaks; 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.
Green Oaks had 4,128 residents in the 2020 census, up 16% since 2000.
It’s the 374th 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 14°F. About 38.6 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Mundelein 4 Wsw, IL weather station (7 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).
1,195 doctors and other health care providers list an office in Green Oaks’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 94 |
|---|---|
| Specialist doctors | 226 |
| Dentists | 77 |
| Nurse practitioners and physician assistants | 167 |
| Mental health providers | 388 |
| Physical and occupational therapists | 191 |
| Optometrists | 11 |
| Chiropractors | 41 |
| Pharmacies | 16 |
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 (11 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1.5 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.
Public schools here are run by Libertyville SD 70, Lake Bluff ESD 65, Oak Grove SD 68 Green Oaks and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Butterfield SchoolLibertyville | Pre-K–5 | 568 | Public | 2.3 mi |
| Lake Bluff Elem SchLake Bluff | Pre-K–5 | 572 | Public | 4.1 mi |
| Adler Park SchoolLibertyville | K–5 | 238 | Public | 1.9 mi |
| Copeland Manor Elem SchoolLibertyville | K–5 | 378 | Public | 0.6 mi |
| Oak Grove Elem SchoolLibertyville | K–8 | 911 | Public | 1.9 mi |
| Rockland Elem SchoolLibertyville | K–5 | 305 | Public | 0.9 mi |
| Highland Middle SchoolLibertyville | 6–8 | 701 | Public | 1.0 mi |
| Lake Bluff Middle SchoolLake Bluff | 6–8 | 305 | Public | 4.8 mi |
| Libertyville High SchoolLibertyville | 9–12 | 1,777 | Public | 1.5 mi |
| District 128 Transition Pthwys CtLibertyville | 12 | — | Alternative Education | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Alta Vista Montessori SchoolLibertyville | Pre-K–K | 6 | Nonsectarian | 3.1 mi |
| Forest Bluff Montessori SchoolLake Bluff | Pre-K–8 | 116 | Nonsectarian | 4.6 mi |
| Poko Loko Early Learning CenterLibertyville | Pre-K–K | 20 | Nonsectarian | 3.7 mi |
| St John Lutheran SchoolLibertyville | Pre-K–8 | 71 | Wisconsin Evangelical Lutheran Synod | 1.2 mi |
| St Joseph Catholic SchoolLibertyville | Pre-K–8 | 376 | Roman Catholic | 0.8 mi |
| A Village Green MontessoriLibertyville | K | 20 | Nonsectarian | 1.0 mi |
| Safe Haven SchoolLake Bluff | 6–12 | 37 | Nonsectarian | 2.9 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 Libertyville, Waukegan, Lake Bluff, North Chicago, Gurnee, Mundelein, Knollwood and Mettawa.
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.