Round Lake, Illinois Population 2021

17,872
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Round Lake is a city located in Lake County Illinois. With a 2020 population of 17,872, it is the 142nd largest city in Illinois and the 2037th largest city in the United States . Round Lake is currently declining at a rate of -0.63% annually and its population has decreased by -2.28% since the most recent census, which recorded a population of 18,289 in 2010. Round Lake reached it's highest population of 18,590 in 2014. Spanning over 6 miles, Round Lake has a population density of 3,215 people per square mile.

The average household income in Round Lake is $99,482 with a poverty rate of 8.12%. The median rental costs in recent years comes to $1,274 per month, and the median house value is $197,800. The median age in Round Lake is 34.6 years, 35.7 years for males, and 34 years for females.

Round Lake Demographics

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

  • White: 69.46%
  • Asian: 13.58%
  • Black or African American: 9.37%
  • Two or more races: 3.74%
  • Other race: 3.48%
  • Native American: 0.27%
  • Native Hawaiian or Pacific Islander: 0.10%
The current population of Round Lake, Illinois is 17,872 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 18,214.The last official US Census in 2010 recorded the population at 18,289.

Round Lake, Illinois Population 2021

Population by Race

Race Population Percentage
White12,74569.46%
Asian2,49113.58%
Black or African American1,7209.37%
Two or More Races6863.74%
Some Other Race6393.48%
American Indian and Alaska Native490.27%
Native Hawaiian and Other Pacific Islander190.10%
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Round Lake Population by Race

Round Lake Population Pyramid $2021

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Round Lake Median Age

34.6


Total

35.7


Male

34


Female

Round Lake Adults

There are 12,967 adults, (1,528 of whom are seniors) in Round Lake.

Round Lake Age Dependency

60.4

Age Dependency Ratio

13.4

Old Age Dependency Ratio

47

Child Dependency Ratio

Round Lake Sex Ratio

Female

9,579

52.20%

Male

8,770

47.80%

Round Lake Population by Age

Round Lake Renter vs Owner Occupied by Household Type

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Round Lake Household Types

Type Owner Renter
Married89.7%10.3%
All78.2%21.8%
Male67.8%32.2%
Non Family62.3%37.7%
Female54.2%45.8%

78.2%

Rate of Home Ownership

Round Lake Households and Families

Type Count Average Size Owned
All5,7483.1978.2
Married3,5113.7389.7
Non Family1,2011.3362.3
Female7663.3454.2
Male2704.1367.8

3.61

Average Family Size

3.19

Average Household Size

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Round Lake Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5294.66%
9th to 12th Grade5004.41%
High School Graduate2,50322.07%
Some College2,77524.47%
Associates Degree9178.08%
Bachelors Degree2,90025.57%
Graduate Degree1,21810.74%
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Round Lake Educational Attainment by Sex (over 25)

Round Lake Educational Attainment by Race

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Race Total High School Bachelors
White6,3766,0812,345
Hispanic2,0201,362185
Asian1,6721,6361,178
Black1,0411,004425
Other Race347257
2+ Races28927833
Native American4946
Islander1919

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

The highest rate of bachelors degrees is among asian people with a rate of 70.45%.

Round Lake Educational Attainment by Race

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Name Average Male Female
Overall$46,386$51,902$36,578
Less Than 9th Grade$32,148$38,971$18,629
High School Graduate$32,213$49,327$29,715
Some College$38,720$47,799$31,143
Bachelors Degree$67,171$73,920$64,048
Graduate Degree$75,479$90,859$68,269

$46,386

Average Earnings

$51,902

Average Male

$36,578

Average Female

Round Lake Earnings by Educational Attainment

Round Lake Language by Age

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Round Lake Language

65.81% of Round Lake residents speak only English, while 34.19% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 15.29% of the population.

Round Lake Language

Round Lake Poverty by Race

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Name Total In Poverty Poverty Rate
White9,1765085.54%
Hispanic4,56647410.38%
Asian2,49132413.01%
Black1,72017310.06%
Other63912219.09%
Multiple666233.45%

8.12%

Overall Poverty Rate

7.99%

Male Poverty Rate

8.24%

Female Poverty Rate

Poverty in Round Lake

The race most likely to be in poverty in Round Lake is Other, with 19.09% below the poverty level.

The race least likely to be in poverty in Round Lake is Multiple, with 3.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.58%. Among those working part-time, it was 7.87%, and for those that did not work, the poverty rate was 19.36%.

Round Lake Poverty

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Name Poverty
High School9.23%
Less Than 9th Grade5.93%
Some College5.72%
Bachelors or Greater4.30%

Round Lake Poverty Rate by Education

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Rate Poverty
Male Unemployed26.04%
Female Unemployed10.89%
Female Employed4.11%
Male Employed2.23%

Round Lake Poverty Rate by Employment Status and Sex

Round Lake Income by Household Type

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Name Median Mean
Households$82,521$99,482
Families$90,711$107,481
Married Families$105,935-
Non Families$48,586$61,047
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Income by Household Type

Round Lake Marital Status

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Marriage Rates

53.2%

Overall Marriage Rate

55.0%

Male Marriage Rate

51.5%

Female Marriage Rate

Round Lake Married by Age and Sex

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Round Lake Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Round Lake Marital Status by Race

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Round Lake Marital Status

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841

Number of Veterans

790

Male Veterans

51

Female Veterans

War Veterans
Vietnam274
First Gulf War264
Second Gulf War95
Korea46
World War II

Round Lake Veterans by War

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Age Group Veterans
35 to 54364
65 to 74247
55 to 64102
75+86
18 to 3442

Round Lake Veterans by Age

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Name Veterans % of Total
White6156.78%
Black12110.65%
Asian985.14%
Hispanic351.32%
2+ Races72.08%

Round Lake Veterans by Race

Round Lake Veterans by Education

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3.33%

Veteran Poverty Rate

18.31%

Veteran Disability Rate

Round Lake Veterans by Education

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76.8%

Labor Force Participation

72.1%

Employment Rate

6%

Unemployment Rate

Round Lake Employment by Age

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Round Lake Employment by Race

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Round 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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62.99%

Born in Round Lake

75.81%

Native Born

24.19%

Foreign Born

9.45%

Non Citizen

14.74%

Naturalized

Place of Birth

75.81% of Round Lake residents were born in the United States, with 62.99% having been born in Illinois. 9.45% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Round Lake Place of Birth

Year Population Growth Annual Growth Rate
202117,872-114-0.63%
202017,986-114-0.63%
201918,100-114-0.63%
201818,214-172-0.94%
201718,386-100-0.54%
201618,486-42-0.23%
201518,528-62-0.33%
201418,590680.37%
201318,522700.38%
201218,452510.28%
201118,401220.12%
201018,37912,53712.14%
20005,8422,2925.11%
19903,5509062.99%
19802,6440.00%

Round Lake Population by Year