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CITY · 2020 ACS

Round Lake

Illinois · 18,721 residents · 5.56 sq mi
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The short version

Round Lake is wealthier than most US places, with a median household income of $82,550. The city has more than doubled in size since 2000, adding 12,879 residents. Median home value has risen by half since 2000, reaching $213,300.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 35.1
US median: 38.8
More educated
40% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
18,721
+220%since 2000
from 5,842 in 2000
1990 – 2025
Population density
3,367 / sq mi
+220%since 2000
from 1,051 / sq mi in 2000
US average: 280
Median age
35.1
+15%since 2000
from 30.4 in 2000
US average: 38.8
Population, 1990 – 2024
2K7K11K16K20K1990201020202024Round Lake
202419K
1990201020202024
Section 02

Income & economy

Median household income
$82,550
−5%inflation adjusted, since 2000
from $58,051 in 2000
US average: $66,278
1990 – 2024
Per capita income
$33,471
+55%since 2000
from $21,585 in 2000
US average: $35,364
Households earning $100K+
56.4%
+10.4 ptssince 2009
from 46.0% in 2009
US average: 43.9%
Poverty rate
8.7%
+1.9 ptssince 2000
from 6.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Information14.9%
US avg: 11.1%
Retail trade14.3%
US avg: 10%
Finance & insurance6.9%
US avg: 5.5%
Professional, scientific, technical6.9%
US avg: 4.7%
Other services6.3%
US avg: 6.6%
Wholesale trade5.7%
US avg: 6.7%
Public administration5.5%
US avg: 4.7%
Transportation & warehousing3.8%
US avg: 2.5%
Arts, entertainment, food0.6%
US avg: 2%
Agriculture, forestry, fishing0.2%
US avg: 1.7%
Construction0.2%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$213,300
+3%inflation adjusted, since 2000
from $138,000 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,171
+35%inflation adjusted, since 2000
from $576 in 2000
US average: $1,124
Owner-occupied
75.0%
−1.4 ptssince 2000
from 76.5% in 2000
25.0% rent
Afford Score
2.6
+9%since 2000
from 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in Round Lake on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic72.2%(4,217)
Black2%(116)
Hispanic / Latino22.1%(1,292)
Asian1.9%(112)
Other0%
Diversity Score51%(2,981)
2020
White, non-Hispanic47.6%(8,909)
Black6.1%(1,142)
Hispanic / Latino31.5%(5,898)
Asian10.3%(1,925)
Other3.7%(687)
Diversity Score81.6%(15,275)
Diversity Score
82
+60%since 2000
from 51 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
40.4%
+19.1 ptssince 2000
from 21.3% in 2000
US average: 32.9%
High school or higher
90.4%
+16.6 ptssince 2000
from 73.8% in 2000
US average: 88.5%
Graduate degree
11.1%
+6.5 ptssince 2000
from 4.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
34.0 min
+23%since 2000
from 27.6 min in 2000
US average: 26.9
Drive alone to work
81.2%
−3.4 ptssince 2009
from 84.6% in 2009
US average: 75.1%
No vehicle available
1.7%
−0.4 ptssince 2009
from 2.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.1%
−1.5 ptssince 2011
from 7.6% in 2011
US average: 5.4%
Labor force participation
77.2%
−0.5 ptssince 2011
from 77.7% in 2011
US average: 63.4%
Management & professional
42.8%
−22.5 ptssince 2009
from 65.3% in 2009
US average: 39.3%
Section 08

People & community

Male
47.5%
−3.2 ptssince 2009
from 50.7% in 2009
Female
52.5%
+3.2 ptssince 2009
from 49.3% in 2009
Foreign born
30.2%
+4.2 ptssince 2009
from 26.0% in 2009
US average: 13.5%
Uninsured
7.7%
−80.1 ptssince 2013
from 87.8% in 2013
US average: 8.8%
Drill deeper

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Pop 16,624
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Head to head

Compare Round Lake to nearby cities

ROUND LAKE VS
Round Lake Beach
Income$86,059+4%
Home value$199,200−7%
Population26,902+45%
SEE FULL COMPARISON →
ROUND LAKE VS
Grayslake
Income$113,972+38%
Home value$309,500+45%
Population21,140+14%
SEE FULL COMPARISON →
ROUND LAKE VS
Wauconda
Income$111,239+35%
Home value$278,600+31%
Population13,993−24%
SEE FULL COMPARISON →
ROUND LAKE VS
Lake Villa
Income$118,750+44%
Home value$351,700+65%
Population8,692−53%
SEE FULL COMPARISON →
Frequently asked

How many people live in Round Lake, Illinois?

Round Lake, Illinois has about 18,721 residents according to the 2020 American Community Survey.

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

The typical household in Round Lake, Illinois earns about $82,550 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 $213,300, and the typical rent is about $1,171 a month.

How educated are people in Round Lake, Illinois?

About 40.4% 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 8.7% 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 15,172 residents, a change of about 428 percent over that period.

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

How we source and harmonize this data →