Round Lake, Illinois Population 2020

18,098

Round Lake is a city located in Illinois. With a 2020 population of 18,098, it is the 139th largest city in Illinois and the 2011th largest city in the United States. Round Lake is currently declining at a rate of -0.49% annually and its population has decreased by -1.04% since the most recent census, which recorded a population of 18,289 in 2010. Round Lake reached it's highest population of 18,608 in 2014. Spanning over 6 miles, Round Lake has a population density of 3,256 people per square mile.

The average household income in Round Lake is $92,496 with a poverty rate of 6.33%. The median rental costs in recent years comes to $1,313 per month, and the median house value is $187,100. The median age in Round Lake is 34.5 years, 36 years for males, and 33.5 years for females. For every 100 females there are 89.7 males.

Round Lake Demographics

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

  • White: 71.54%
  • Asian: 11.40%
  • Black or African American: 10.25%
  • Other race: 3.72%
  • Two or more races: 2.71%
  • Native American: 0.27%
  • Native Hawaiian or Pacific Islander: 0.10%
The current population of Round Lake, Illinois is 18,098, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 18,278.The last official US Census in 2010 recorded the population at 18,289.

Round Lake, Illinois Population 2020

Population by Race

Race Population Percentage
White13,22771.54%
Asian2,10811.40%
Black or African American1,89610.25%
Some Other Race6883.72%
Two or More Races5012.71%
American Indian and Alaska Native500.27%
Native Hawaiian and Other Pacific Islander190.10%

Round Lake Population Pyramid 2020

Round Lake Median Age

34.5


Total

36


Male

33.5


Female

Round Lake Adults

There are 13,023 adults, (1,430 of whom are seniors) in Round Lake.

Round Lake Age Dependency

59.5

Age Dependency Ratio

12.3

Old Age Dependency Ratio

47.1

Child Dependency Ratio

Round Lake Sex Ratio

Female

9,747

52.72%

Male

8,742

47.28%

Round Lake Households and Families

Round Lake Renter vs Owner Occupied by Household Type

Round Lake Household Types

Type Owner Renter
Married86.8%13.2%
All77.9%22.1%
Non Family66%34%
Male65.1%34.9%
Female56.6%43.4%

77.9%

Rate of Home Ownership

Type Count Average Size Owned
All5,7473.2277.9
Married3,6193.7386.8
Non Family1,1761.3166
Female6913.2956.6
Male2614.465.1

3.65

Average Family Size

3.22

Average Household Size

5.6%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Round Lake Education

Education Attained Count Percentage
Less Than 9th Grade8367.38%
9th to 12th Grade5604.94%
High School Graduate2,53122.33%
Some College2,88925.49%
Associates Degree7967.02%
Bachelors Degree2,83525.01%
Graduate Degree8887.83%

Round Lake Educational Attainment by Race

Name Total High School Bachelors
White6,1725,8412,082
Hispanic2,4521,459247
Asian1,3221,299958
Black1,1941,149439
Other Race416307
Multiple Races24623140
Native American5046
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 72.47%.

Name Average Male Female
Overall$42,405$49,626$36,455
Less Than High School$36,951$37,933$
High School Grad$34,375$48,788$22,414
Some College$37,206$41,291$31,663
Bachelors Degree$59,063$61,995$53,102
Graduate Degree$67,928$81,696$61,981

$42,405

Average Earnings

$49,626

Average Male

$36,455

Average Female

Round Lake Language

Round Lake Language by Age

Round Lake Language

64.04% of Round Lake residents speak only English, while 35.96% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.38% of the population.

Round Lake Poverty

Round Lake Poverty by Race

Name Total In Poverty Poverty Rate
White8,7035306.09%
Hispanic5,5313326.00%
Asian2,10822410.63%
Black1,896743.90%
Other688527.56%
Multiple480153.13%

6.33%

Overall Poverty Rate

6.19%

Male Poverty Rate

6.46%

Female Poverty Rate

Poverty in Round Lake

The race most likely to be in poverty in Round Lake is Asian, with 10.63% below the poverty level.

The race least likely to be in poverty in Round Lake is Multiple, with 3.13% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.19%. Among those working part-time, it was 8.84%, and for those that did not work, the poverty rate was 14.02%.

Name Poverty
High School7.66%
Some College5.21%
Bachelors or Greater3.22%
Less Than High School2.94%
Name Poverty
Male Unemployed30.99%
Female Unemployed14.14%
Female Employed3.37%
Male Employed1.76%

Round Lake Income

Round Lake Income by Household Type

Name Median Mean
Households$79,543$92,496
Families$84,183$99,389
Married Families$91,115-
Non Families$53,365$61,483

Round Lake Marital Status

Round Lake Marital Status

Marriage Rates

54.7%

Overall Marriage Rate

58.2%

Male Marriage Rate

51.6%

Female Marriage Rate

Round Lake Married by Age and Sex

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 45-54.

Round Lake Marital Status by Race

Round Lake Veterans

839

Number of Veterans

771

Male Veterans

68

Female Veterans

War Veterans
Vietnam241
First Gulf War238
Second Gulf War187
Korea48
World War II7
Age Group Veterans
35 to 54314
65 to 74219
18 to 34137
75+97
55 to 6472
Name Veterans % of Total
White6036.46%
Black1319.89%
Asian976.29%
Hispanic551.58%
2 or More83.25%

$Round Lake Veterans by Education

4.77%

Veteran Poverty Rate

10.97%

Veteran Disability Rate

Round Lake Employment Status

75.8%

Labor Force Participation

72%

Employment Rate

4.9%

Unemployment Rate

Round Lake Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

61.86%

Born in Illinois

74.76%

Native Born

25.24%

Foreign Born

9.80%

Non Citizen

Place of Birth

74.76% of Round Lake residents were born in the United States, with 61.86% having been born in Illinois. 9.80% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202018,098-90-0.49%
201918,188-90-0.49%
201818,278-151-0.82%
201718,429-90-0.49%
201618,519-33-0.18%
201518,552-56-0.30%
201418,608740.40%
201318,534780.42%
201218,456580.32%
201118,398220.12%
201018,37612,53412.14%
20005,8422,2925.11%
19903,5509062.99%
19802,6440.00%