Island Lake Population

1960–2026

8,048

2026 projection

0.1% since 2020 (increase)

02K4K6K8K10K1960197019801990200020102020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Island Lake. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,048+10.01%
20258,04700.00%
20248,047+190.24%
20238,028+520.65%
20227,976-580.72%
20218,034-80.10%
20208,042+250.31%
20198,017-290.36%
20188,046-330.41%
20178,079+190.24%

Showing 10 of 22 years.

Island Lake Demographics

39.1median age

Median age

Female37.4 yrs
Male41.1 yrs

Adults

6,147
1,111 seniors · 18%5,036 other adults

Sex

Female 52.4% · 4,202Male 47.6% · 3,812

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 80 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Island Lake Income

$103,156median household income

Median household income

$103,156

Half of households earn more, half earn less

Median earnings

$54,846

Typical yearly pay for a worker 25 or older.

Poverty rate

6.7%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Island Lake Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%49%52%
Never married31%34%27%
Divorced15%16%15%
Widowed2%<1%4%
Separated<1%<1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201