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CITY · 2000 CENSUS

Round Lake

Illinois · 5,842 residents · 5.56 sq mi
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The short version

Round Lake is significantly wealthier than the US average, with a median household income of $58,051. The city has grown rapidly, with population up 65% since 1990. Median home value has risen by half since 1990, reaching $138,000. At a median age of 30.4, residents skew younger than the country as a whole.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 30.4
US median: 35.2
Average education
21% hold a bachelor's degree
US average: 24%
Less affordable
home values up 28%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

5,842
+65%since 1990
from 3,549 in 1990
1990 – 2025
1,051 / sq mi
+65%since 1990
from 638 / sq mi in 1990
US average: 242
30.4
+6%since 1990
from 28.7 in 1990
US average: 35.2
Population, 19902024
2K7K11K16K20K1990201020202024Round Lake
202419K
1990201020202024
Section 02

Income & economy

$58,051
+42%inflation adjusted, since 1990
from $30,951 in 1990
US average: $42,589
1990 – 2024
$21,585
+64%since 1990
from $13,178 in 1990
US average: $21,522
6.8%
−0.6 ptssince 1990
from 7.4% in 1990
US average: 12.4%
Section 03

Housing

$138,000
+28%inflation adjusted, since 1990
from $81,900 in 1990
US average: $120,530
1990 – 2024
$576
−2%inflation adjusted, since 1990
from $444 in 1990
US average: $602
76.5%
+9.4 ptssince 1990
from 67.1% in 1990
23.5% rent
2.4
−10%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in Round Lake on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic93%(3,301)
Black0.4%(15)
Hispanic / Latino11.8%(419)
Asian2.2%(78)
Diversity Score36.9%(1,308)
2000
White, non-Hispanic72.2%(4,217)
Black2%(116)
Hispanic / Latino22.1%(1,292)
Asian1.9%(112)
Diversity Score51%(2,981)
51
+38%since 1990
from 37 in 1990
1990 – 2024
Section 05

Education

21.3%
+13.7 ptssince 1990
from 7.6% in 1990
US average: 24.4%
High school or higher
73.8%
+3.1 ptssince 1990
from 70.7% in 1990
US average: 80.3%
4.6%
+2.0 ptssince 1990
from 2.6% in 1990
US average: 8.8%
Section 06

Commute & transportation

27.6 min
+7%since 1990
from 25.8 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Round Lake, Illinois?

Round Lake, Illinois has about 5,842 residents according to the 2000 Census.

What is the median household income in Round Lake, Illinois?

The typical household in Round Lake, Illinois earns about $58,051 a year. Half of households make more than that, and half make less.

Is Round Lake, Illinois expensive?

In Round Lake, Illinois, the median home is worth about $138,000, and the typical rent is about $576 a month.

How educated are people in Round Lake, Illinois?

About 21.3% of adults age 25 and over in Round Lake, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Round Lake, Illinois?

About 6.8% of people in Round Lake, Illinois live below the federal poverty line.

Has Round Lake, Illinois grown since 1990?

Yes, Round Lake, Illinois has grown since 1990. The population has added about 2,293 residents, a change of about 65 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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