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Island Lake, IL
Full City Profile · Illinois · McHenry County County
3.4
/5.0
B
Good
8,023
Population
2,381/sq mi density
$98,125
Median Income
$40,068 per capita
$241,900
Home Value
$293,448 Zillow
$1,855
Median Rent
30.8% income on rent
49°F
Avg Temperature
260 sunny days/yr
87
Violent Crime/100K
483 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$98,125 median income, 4.9% unemployment
A+
Affordability
5.0 / 5.0
$241,900 home value, $1,855/mo rent
F
Safety
1.0 / 5.0
87 violent crimes/100K
B
Education
3.2 / 5.0
27.6% bachelor's degree or higher
Housing Overview
Median Home Value
$241,900
14% below
US avg: $281,900
Median Rent
$1,855/mo
60% above
US avg: $1,163/mo
Homeownership Rate
81.7%
25% above US avg (65.4%)
Total Housing Units
3,118
Median year built: 1990
Home Value by Source
Census Median
$241,900
Zillow (ZHVI)
$293,448
Median Sale Price
$245,000
Median List Price
$337,450
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
81.7%
Owner-Occupied
18.3%
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:
$1,855/mo
Market Indicators (Redfin)
Median Days on Market
37 days
Sale-to-List Ratio
1.0%
Buyers market
Homes Sold
7
Price Drops
16.7%
of listings with price reduction
Price Per Sq Ft
$179
Active Inventory
12
homes for sale
Affordability & Housing Stock
Rent Burden
30.8%
of renters spending 30%+ of income on housing
1% below US avg (31.0%)
Median Year Built
1990
Average age of housing stock: 36 years
Homeownership Rate
81.7%
Complete Housing Data
Home Values
| Census Median Value | $241,900 |
| Zillow Home Value (ZHVI) | $293,448 |
| Median Sale Price | $245,000 |
| Median List Price | $337,450 |
| Price Per Sq Ft | $179 |
Rent
| Census Median Rent | $1,855 |
| 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 | 37 |
| Sale-to-List Ratio | 1.0% |
| Price Drops | 16.7% |
| Homes Sold | 7 |
| Active Inventory | 12 |
| Price Per Sq Ft | $179 |
Ownership & Stock
| Owner-Occupied | 81.7% |
| Renter-Occupied | 18.3% |
| Homeownership Rate | 81.7% |
| Total Housing Units | 3,118 |
| Median Year Built | 1990 |
| Rent Burden | 30.8% |