Based on information submitted to the MLS GRID as of 2026-11-13 22:53:03 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
October 2026 · This period is still settling
Homes that sold · County records, as of Oct 22, 2026
Median sale price
$302,500$252,250–$345,750 typical range
Price per sq. ft.
$222
Sales
10
Paid in cash
20.0%
Homes on the market · MLS, as of Oct 18, 2026
Median list price
$357,400
Homes for sale
12
Price trend · Assessor repeat sales, as of Oct 31, 2026
Year-over-year
-6.6%
Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 30, 2026