Knollwood is a community in Lake County, Illinois, home to about 1,864 people across 0.6 square miles. It has no ZIP code of its own: it’s part of 60044.
Homes sold for a median of $331 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lake Bluff; part is in Knollwood
Each card is that ZIP code’s whole market, including any part outside Knollwood. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Knollwood’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Knollwood well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)21 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL32 miles away |
Straight-line distances from the center of Knollwood; 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.
Knollwood had 2,121 residents in the 2020 census, up 21% since 2010.
It’s the 527th 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 81°F in summer, and winter lows average 16°F. About 35.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Chicago Waukegan Rgnl Ap, IL weather station (9 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).
198 doctors and other health care providers list an office in Knollwood.
Nearest hospitals
Providers with an office here
| Primary care doctors | 25 |
|---|---|
| Specialist doctors | 20 |
| Dentists | 10 |
| Nurse practitioners and physician assistants | 13 |
| Mental health providers | 88 |
| Physical and occupational therapists | 31 |
| Optometrists | 2 |
| Chiropractors | 9 |
| 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 (4 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1 mile 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 Lake Bluff ESD 65. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lake Bluff Elem SchLake Bluff | Pre-K–5 | 572 | Public | 0.1 mi |
| Lake Bluff Middle SchoolLake Bluff | 6–8 | 305 | Public | 0.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Forest Bluff Montessori SchoolLake Bluff | Pre-K–8 | 116 | Nonsectarian | 0.5 mi |
| Safe Haven SchoolLake Bluff | 6–12 | 37 | Nonsectarian | 1.3 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.
Buying or selling around Knollwood? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Lake Bluff, North Chicago and Green Oaks.
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.