Island Lake, Illinois Population 2021

7,960
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Island Lake is a city located in Lake County Illinois. With a 2020 population of 7,960, it is the 255th largest city in Illinois and the 3643rd largest city in the United States . Island Lake is currently declining at a rate of -0.38% annually and its population has decreased by -1.49% since the most recent census, which recorded a population of 8,080 in 2010. Island Lake reached it's highest population of 8,153 in 2000. Spanning over 4 miles, Island Lake has a population density of 2,377 people per square mile.

The average household income in Island Lake is $92,806 with a poverty rate of 6.16%. The median rental costs in recent years comes to $1,388 per month, and the median house value is $171,100. The median age in Island Lake is 42.6 years, 40.6 years for males, and 44.5 years for females.

Island Lake Demographics

According to the most recent ACS, the racial composition of Island Lake was:

  • White: 93.68%
  • Asian: 2.79%
  • Two or more races: 2.18%
  • Other race: 1.14%
  • Black or African American: 0.21%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Island Lake, Illinois is 7,960 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 8,050.The last official US Census in 2010 recorded the population at 8,080.

Island Lake, Illinois Population 2021

Population by Race

Race Population Percentage
White7,52793.68%
Asian2242.79%
Two or More Races1752.18%
Some Other Race921.14%
Black or African American170.21%
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Island Lake Population by Race

Island Lake Population Pyramid $2021

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Island Lake Median Age

42.6


Total

40.6


Male

44.5


Female

Island Lake Adults

There are 6,228 adults, (1,044 of whom are seniors) in Island Lake.

Island Lake Age Dependency

55

Age Dependency Ratio

20.1

Old Age Dependency Ratio

34.9

Child Dependency Ratio

Island Lake Sex Ratio

Female

3,850

47.92%

Male

4,185

52.08%

Island Lake Population by Age

Island Lake Renter vs Owner Occupied by Household Type

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Island Lake Household Types

Type Owner Renter
Married92.3%7.7%
Male86.8%13.2%
All81.4%18.6%
Non Family73.3%26.7%
Female50.8%49.2%

81.4%

Rate of Home Ownership

Island Lake Households and Families

Type Count Average Size Owned
All3,1462.5581.4
Married1,6953.2292.3
Non Family1,0021.373.3
Female3582.8750.8
Male912.6786.8

3.03

Average Family Size

2.55

Average Household Size

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Island Lake Households by Type

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Education Attained Count Percentage
Less Than 9th Grade991.77%
9th to 12th Grade2805.00%
High School Graduate1,82132.51%
Some College1,28923.01%
Associates Degree5479.76%
Bachelors Degree1,17620.99%
Graduate Degree3906.96%
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Island Lake Educational Attainment by Sex (over 25)

Island Lake Educational Attainment by Race

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Race Total High School Bachelors
White4,8054,6361,476
Hispanic60043533
Asian16411941
2+ Races707016
Other Race6027
Black1717

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 30.72%.

Island Lake Educational Attainment by Race

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Name Average Male Female
Overall$51,259$58,686$40,156
Less Than 9th Grade$40,125$45,250$24,583
High School Graduate$44,314$53,262$28,144
Some College$50,343$59,333$43,801
Bachelors Degree$63,981$91,023$48,804
Graduate Degree$58,854$69,886$53,889

$51,259

Average Earnings

$58,686

Average Male

$40,156

Average Female

Island Lake Earnings by Educational Attainment

Island Lake Language by Age

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Island Lake Language

84.56% of Island Lake residents speak only English, while 15.44% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.17% of the population.

Island Lake Language

Island Lake Poverty by Race

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Name Total In Poverty Poverty Rate
White6,5893485.28%
Hispanic1,12214512.92%
Other926570.65%

6.16%

Overall Poverty Rate

4.08%

Male Poverty Rate

8.42%

Female Poverty Rate

Poverty in Island Lake

The race most likely to be in poverty in Island Lake is Other, with 70.65% below the poverty level.

The race least likely to be in poverty in Island Lake is White, with 5.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.90%. Among those working part-time, it was 10.74%, and for those that did not work, the poverty rate was 14.56%.

Island Lake Poverty

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Name Poverty
Less Than 9th Grade14.78%
Some College9.26%
High School3.02%
Bachelors or Greater0.77%

Island Lake Poverty Rate by Education

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Rate Poverty
Male Unemployed24.66%
Female Unemployed21.05%
Female Employed5.97%
Male Employed1.22%

Island Lake Poverty Rate by Employment Status and Sex

Island Lake Income by Household Type

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Name Median Mean
Households$83,292$92,806
Families$93,889$100,574
Married Families$105,393-
Non Families$60,250$67,807
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Income by Household Type

Island Lake Marital Status

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Marriage Rates

54.6%

Overall Marriage Rate

54.0%

Male Marriage Rate

55.3%

Female Marriage Rate

Island Lake Married by Age and Sex

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Island Lake Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Island Lake Marital Status by Race

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Island Lake Marital Status

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401

Number of Veterans

392

Male Veterans

9

Female Veterans

War Veterans
Vietnam180
First Gulf War138
Second Gulf War22
World War II9
Korea8

Island Lake Veterans by War

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Age Group Veterans
65 to 74150
35 to 54140
75+73
55 to 6438
18 to 34

Island Lake Veterans by Age

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Name Veterans % of Total
White3926.68%
Black952.94%

Island Lake Veterans by Race

Island Lake Veterans by Education

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2.74%

Veteran Poverty Rate

21.95%

Veteran Disability Rate

Island Lake Veterans by Education

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73.7%

Labor Force Participation

71.7%

Employment Rate

2.7%

Unemployment Rate

Island Lake Employment by Age

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Island Lake Employment by Race

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Island Lake Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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73.34%

Born in Island Lake

88.21%

Native Born

11.79%

Foreign Born

3.71%

Non Citizen

8.08%

Naturalized

Place of Birth

88.21% of Island Lake residents were born in the United States, with 73.34% having been born in Illinois. 3.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Island Lake Place of Birth

Year Population Growth Annual Growth Rate
20217,960-30-0.38%
20207,990-30-0.37%
20198,020-30-0.37%
20188,050-29-0.36%
20178,079150.19%
20168,064120.15%
20158,052480.60%
20148,00490.11%
20137,995-27-0.34%
20128,022-27-0.34%
20118,049-27-0.33%
20108,076-77-0.09%
20008,1533,7046.24%
19904,4490.00%

Island Lake Population by Year