Based on information submitted to the MLS GRID as of 2026-10-12 05:06:26 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Island Lake, IL community profile
Population
8,249
Median income
$90,285
Housing units
3,206
People per sq. mi.
1,617.5
Area
5.1 sq. mi.
Source: HJN community data
Island Lake housing market
September 2026 · This period is still settling
Homes that sold · County records, as of Sep 24, 2026
Median sale price
$368,000$306,875–$1,576,000 typical range
Sales
12
Paid in cash
8.3%
Homes on the market · MLS, as of Sep 27, 2026
Median list price
$347,450
Homes for sale
10
Price trend · Assessor repeat sales, as of Sep 30, 2026
Year-over-year
-1.1%
Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026
New31
