Round Lake, IL Population

Overview

18,720

Total Population

37.0

Median age

52.07%

Female population %

92.1:100

Gender ratio (M:F)

40-44 years

Largest age group

48.0

Total dependency ratio

White

Largest racial group

5,012

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Round Lake's population is young compared to the rest of the country:

The median age in Round Lake is 37.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Round Lake's population under 18 was 28.93%, compared to the 22.51% nationwide.
Round Lake's elderly or the senior population (over 65 age) was 9.76% as compared to 16.04% nationwide.
Of the total population in Round Lake, 22.69% were under the age of 15, 19.43% aged 15 to 29, 48.11% aged 30 to 64, 9.00% aged 65 to 84, and 0.76% were 85 years of age and older.

There are 774 more females than males in Round Lake:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.07% females and 47.93% males in Round Lake, IL.
The Round Lake, IL gender ratio is 92.1:100 i.e. 92.1 men to 100 women (0.921).
For male population, the largest age group is 50-54 years with a population of 951.
For the female population, the largest age group is 40-44 years with a population of 1,090.

Round Lake's population has become increasingly diverse:

Racial distribution of Round Lake population: 62.04% are White, 4.71% are Black or African American, 1.06% are American Indian and Alaska Native, 12.96% are Asian, 0.07% are Native Hawaiian and other Pacific Islander, 7.46% are some other race and 11.69% are multiracial.
Round Lake's racial breakdown clearly shows that there is an absolute majority of White population in the village.
By ethnicity, 5,012 is Hispanic or Latino (of any race), and 13,708 (73.23% of the total population) is Non-Hispanic.
The largest racial group in Round Lake is White with a population of 11,613 (62.04% of the total population).

Round Lake's population has already reached its peak and is showing a trend of decline:

The peak population was 18,691 in the year 2020
From 2000 to 2010, Round Lake's population increased by 12,419 (208.41%), as compared to the national growth of 9.63%.
From 2010 to 2020, Round Lake's population increased by 313 (1.70%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Round Lake's population was lowest in year 2000 at 5,959.