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CITY · 2010 ACS

Round Lake

Illinois · 18,289 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 $76,294. The city has more than doubled in size since 2000, adding 12,447 residents. Median home value has risen by half since 2000, reaching $225,200. At a median age of 31.5, residents skew younger than the country as a whole. Households here earn about 37% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $52,703
Younger
median age 31.5
US median: 37.2
More educated
34% hold a bachelor's degree
US average: 28%
Less affordable
home values up 29%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
18,289
+213%since 2000
from 5,842 in 2000
1990 – 2025
Median age
31.5
+4%since 2000
from 30.4 in 2000
US average: 37.2
Population, 1990 – 2024
2K7K11K16K20K1990201020202024Round Lake
202419K
1990201020202024
Age distribution, 2010
Under 510.4%(1,895)
US avg: 6.5%
5 to 99.9%(1,819)
US avg: 6.6%
10 to 147.9%(1,448)
US avg: 6.7%
15 to 196.1%(1,121)
US avg: 7.1%
20 to 244.9%(899)
US avg: 7%
25 to 3417.9%(3,266)
US avg: 13.3%
35 to 4418.9%(3,454)
US avg: 13.3%
45 to 5411.9%(2,180)
US avg: 14.6%
55 to 647.2%(1,323)
US avg: 11.8%
65 to 743.2%(592)
US avg: 7%
75 to 841.3%(230)
US avg: 4.2%
85 and over0.3%(62)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$76,294
+4%inflation adjusted, since 2000
from $58,051 in 2000
US average: $52,703
1990 – 2024
Per capita income
$28,404
+32%since 2000
from $21,585 in 2000
US average: $27,286
Households earning $100K+
50.8%
+4.8 ptssince 2009
from 46.0% in 2009
US average: 33.3%
Poverty rate
8.5%
+1.7 ptssince 2000
from 6.8% in 2000
US average: 13.8%
Income inequality (Gini)
0.367
US average: 0.461
Workforce by industry, 2010
Retail trade17.9%
US avg: 10.9%
Information11%
US avg: 11.5%
Other services6.2%
US avg: 7%
Wholesale trade6.1%
US avg: 7.2%
Transportation & warehousing5.5%
US avg: 3.1%
Public administration4.9%
US avg: 4.9%
Finance & insurance3.7%
US avg: 5.1%
Arts, entertainment, food3.4%
US avg: 2.4%
Professional, scientific, technical3.3%
US avg: 4.2%
Education & health services0.4%
US avg: 0.9%
Agriculture, forestry, fishing0%
US avg: 1.9%
Construction0%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$225,200
+29%inflation adjusted, since 2000
from $138,000 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$979
+34%inflation adjusted, since 2000
from $576 in 2000
US average: $853
Owner-occupied
72.2%
−4.2 ptssince 2000
from 76.5% in 2000
19.4% rent
Vacancy rate
7.1%
+1.9 ptssince 2009
from 5.2% in 2009
US average: 12.1%
Owner cost-burdened
46.2%
−0.5 ptssince 2009
from 46.7% in 2009
US average: 30.9%
Renter cost-burdened
46.3%
−8.2 ptssince 2009
from 54.5% in 2009
US average: 46.8%
Afford Score
3.0
−7%since 2009
from 3.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2010
White, non-Hispanic55%(10,066)
Black4.5%(828)
Hispanic / Latino25.3%(4,631)
Asian12.6%(2,310)
Other3%(557)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican20.4%(3,298)
Puerto Rican2.5%(401)
Salvadoran1%(166)
Cuban0.7%(118)
Costa Rican0.6%(94)
Bolivian0.5%(84)
Panamanian0.5%(73)
Guatemalan0.3%(44)
Colombian0.2%(35)
Ecuadorian0.1%(16)
+ 1 more hispanic origin group with data
Spaniard0.1%(16)
Ancestry
German16.8%(2,716)
Irish10.3%(1,672)
Polish9.2%(1,484)
Italian5.6%(910)
English3.5%(572)
American2.7%(430)
West Indian2.2%(361)
Swedish2.2%(358)
Jamaican2.1%(334)
Russian1.9%(314)
Norwegian1.7%(275)
French1.6%(252)
+ 30 more ancestry groups with data
Dutch1.3%(206)
Scottish1%(169)
Hungarian1%(162)
Danish0.9%(147)
Romanian0.8%(126)
Arab0.7%(114)
Ukrainian0.7%(106)
Scotch-Irish0.6%(98)
Iranian0.5%(80)
Palestinian0.4%(69)
Czech0.4%(57)
Latvian0.3%(56)
Serbian0.3%(56)
Greek0.3%(55)
Welsh0.3%(45)
Swiss0.2%(37)
Nigerian0.2%(36)
British0.2%(31)
Bulgarian0.2%(31)
Moroccan0.1%(23)
Canadian0.1%(23)
Austrian0.1%(22)
Belgian0.1%(21)
Croatian0.1%(18)
Lithuanian0.1%(17)
Syrian0.1%(12)
Lebanese0.1%(10)
Kenyan0%(5)
RANKED:Largest Mexican population · Largest German population · Largest Irish population · Largest Polish population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
33.7%
+12.5 ptssince 2000
from 21.3% in 2000
US average: 27.9%
High school or higher
83.5%
+9.8 ptssince 2000
from 73.8% in 2000
US average: 84.9%
Graduate degree
9.9%
+5.3 ptssince 2000
from 4.6% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
39.1 min
+42%since 2000
from 27.6 min in 2000
US average: 25.2
Drive alone to work
83.7%
−0.9 ptssince 2009
from 84.6% in 2009
US average: 76.2%
Carpooled to work
8.1%
+0.8 ptssince 2009
from 7.3% in 2009
US average: 10.4%
Public transit
2.8%
−0.6 ptssince 2009
from 3.4% in 2009
US average: 4.7%
Worked from home
3.9%
+1.8 ptssince 2009
from 2.1% in 2009
US average: 4.1%
Walked to work
1.0%
−0.6 ptssince 2009
from 1.6% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.7%
−0.4 ptssince 2009
from 2.1% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
10.5%
+1.0 ptssince 2009
from 9.5% in 2009
US average: 12.9%
Management & professional
39.4%
−25.9 ptssince 2009
from 65.3% in 2009
US average: 35.2%
Section 08

People & community

Male
51.4%
+0.7 ptssince 2009
from 50.7% in 2009
Female
48.6%
−0.7 ptssince 2009
from 49.3% in 2009
Foreign born
25.8%
−0.2 ptssince 2009
from 26.0% in 2009
US average: 12.8%
Veterans
5.4%
−43.0 ptssince 2009
from 48.5% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married30.2%(2,085)
Married60.3%(4,154)
Widowed2.2%(154)
Divorced7.3%(500)
Women 15+
Never married29.9%(2,241)
Married50.9%(3,809)
Widowed3.2%(237)
Divorced16%(1,198)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Round Lake to nearby cities

ROUND LAKE VS
Round Lake Beach
Income$86,059+13%
Home value$199,200−12%
Population26,902+45%
SEE FULL COMPARISON →
ROUND LAKE VS
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Income$113,972+49%
Home value$309,500+37%
Population21,140+14%
SEE FULL COMPARISON →
ROUND LAKE VS
Wauconda
Income$111,239+46%
Home value$278,600+24%
Population13,993−24%
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ROUND LAKE VS
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Income$118,750+56%
Home value$351,700+56%
Population8,692−53%
SEE FULL COMPARISON →
Frequently asked

How many people live in Round Lake, Illinois?

Round Lake, Illinois has about 18,289 residents according to the 2010 American Community Survey.

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

The typical household in Round Lake, Illinois earns about $76,294 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 $225,200, and the typical rent is about $979 a month.

How educated are people in Round Lake, Illinois?

About 33.7% 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 8.5% 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 14,740 residents, a change of about 415 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 →