Illinois Lake County McHenry County
Island Lake
A village in Lake County, Illinois — population 7,951 as of 2020.
Today
71°F
Showers And Thunderstorms82% precip
Tonight
63°F
Chance Rain Showers44% precip
Sunday
75°F
Partly Sunny7% precip
Sunday Night
58°F
Mostly Clear
You know Island Lake better than we do.
Add the places people actually go. Our editors review submissions before they publish — you'll need an account with access to send one.
Island Lake by the numbers
Population
7,951Population figure, 2020
Households & income
- Area
- 3.35 sq mi (8.68 km²), 0.21 sq mi water
- Median age
- 39.1
- Households
- 2,905
- Persons per household
- 2.7
- Median household income
- $103,156
- Median house value
- $262,500
Municipal office
- Office
- FINANCE DIRECTOR
- Address
- 3720 GREENLEAF AVE, ISLAND LAKE, IL 60042