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Knollwood, IL
Full City Profile · Illinois · Lake County County
4.1
/5.0
A
Great
1,907
Population
3,126/sq mi density
$133,452
Median Income
$45,205 per capita
$372,500
Home Value
$615,993 Zillow
$1,733
Median Rent
34.8% income on rent
48°F
Avg Temperature
261 sunny days/yr
10
Violent Crime/100K
750 property/100K
A
Overall
4.1 / 5.0
Strong
A+
Economy
4.9 / 5.0
$133,452 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$372,500 home value, $1,733/mo rent
D
Safety
1.7 / 5.0
10 violent crimes/100K
A+
Education
4.6 / 5.0
45.6% bachelor's degree or higher
Housing Overview
Median Home Value
$372,500
32% above
US avg: $281,900
Median Rent
$1,733/mo
49% above
US avg: $1,163/mo
Homeownership Rate
76.8%
17% above US avg (65.4%)
Total Housing Units
668
Median year built: 1971
Home Value by Source
Census Median
$372,500
Zillow (ZHVI)
$615,993
Median Sale Price
$335,000
Median List Price
$499,950
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
76.8%
Owner-Occupied
23.2%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$774/mo
1 Bedroom
$854/mo
2 Bedroom
$1,063/mo
3 Bedroom
$1,370/mo
4 Bedroom
$1,561/mo
Census median rent:
$1,733/mo
Market Indicators (Redfin)
Median Days on Market
20 days
Sale-to-List Ratio
1.0%
Buyers market
Homes Sold
1
Price Drops
0.0%
of listings with price reduction
Price Per Sq Ft
$137
Active Inventory
4
homes for sale
Affordability & Housing Stock
Rent Burden
34.8%
of renters spending 30%+ of income on housing
12% above US avg (31.0%)
Median Year Built
1971
Average age of housing stock: 55 years
Homeownership Rate
76.8%
Complete Housing Data
Home Values
| Census Median Value | $372,500 |
| Zillow Home Value (ZHVI) | $615,993 |
| Median Sale Price | $335,000 |
| Median List Price | $499,950 |
| Price Per Sq Ft | $137 |
Rent
| Census Median Rent | $1,733 |
| FMR Studio | $774 |
| FMR 1-Bedroom | $854 |
| FMR 2-Bedroom | $1,063 |
| FMR 3-Bedroom | $1,370 |
| FMR 4-Bedroom | $1,561 |
Market
| Days on Market | 20 |
| Sale-to-List Ratio | 1.0% |
| Price Drops | 0.0% |
| Homes Sold | 1 |
| Active Inventory | 4 |
| Price Per Sq Ft | $137 |
Ownership & Stock
| Owner-Occupied | 76.8% |
| Renter-Occupied | 23.2% |
| Homeownership Rate | 76.8% |
| Total Housing Units | 668 |
| Median Year Built | 1971 |
| Rent Burden | 34.8% |