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COUNTY · 2000 CENSUS

Lake County

Illinois · 644,356 residents · 443.605 sq mi
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The short version

Lake County is significantly wealthier than the US average, with a median household income of $66,973. Population has grown 25% since 1990. 39% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $191,600. Poverty is rare here, at 5.7% of residents. Households here earn about 44% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 33.8
US median: 35.2
More educated
39% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
644,356
+25%since 1990
from 516,418 in 1990
1990 – 2025
Population density
1,453 / sq mi
+25%since 1990
from 1,164 / sq mi in 1990
US average: 242
Median age
33.8
+7%since 1990
from 31.7 in 1990
US average: 35.2
Population, 1990 – 2024
497K556K615K675K734K1990201020202024Lake County
2024714K
1990201020202024
Section 02

Income & economy

Median household income
$66,973
+10%inflation adjusted, since 1990
from $46,047 in 1990
US average: $42,589
1990 – 2024
Per capita income
$32,102
+47%since 1990
from $21,765 in 1990
US average: $21,522
Poverty rate
5.7%
+0.6 ptssince 1990
from 5.2% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$191,600
+7%inflation adjusted, since 1990
from $136,100 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$742
+1%inflation adjusted, since 1990
from $558 in 1990
US average: $602
Owner-occupied
77.8%
+3.6 ptssince 1990
from 74.2% in 1990
22.2% rent
Afford Score
2.9
−3%since 1990
from 3.0 in 1990
1990 – 2024
RELATED:See current rent listings in Lake County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic87.4%(451,157)
Black6.7%(34,698)
Hispanic / Latino7.1%(36,735)
Asian2.4%(12,488)
Diversity Score40.6%(209,703)
2000
White, non-Hispanic73.4%(472,968)
Black6.8%(43,580)
Hispanic / Latino14.4%(92,716)
Asian3.9%(24,866)
Diversity Score52%(335,117)
Diversity Score
52
+28%since 1990
from 41 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
38.6%
+6.6 ptssince 1990
from 32.0% in 1990
US average: 24.4%
High school or higher
86.6%
+1.9 ptssince 1990
from 84.7% in 1990
US average: 80.3%
Graduate degree
14.6%
+3.1 ptssince 1990
from 11.5% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
22.2 min
−13%since 1990
from 25.6 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.

Drill deeper

Places similar to Lake County

Will County
Pop 712,253
District of Columbia
Pop 693,645
Williamson County
Pop 752,827
Johnson County
Pop 636,906
Places similar to Lake County
Head to head

Compare Lake County to nearby counties

LAKE COUNTY VS
Cook County
Income$83,498+25%
Home value$324,500+69%
Population5,194,625+622%
SEE FULL COMPARISON →
LAKE COUNTY VS
DuPage County
Income$112,096+67%
Home value$391,400+104%
Population934,298+30%
SEE FULL COMPARISON →
LAKE COUNTY VS
Kenosha County
Income$81,239+21%
Home value$265,500+39%
Population168,448−77%
SEE FULL COMPARISON →
LAKE COUNTY VS
McHenry County
Income$104,802+56%
Home value$308,100+61%
Population317,751−56%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lake County, Illinois?

Lake County, Illinois has about 644,356 residents according to the 2000 Census.

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

The typical household in Lake County, Illinois earns about $66,973 a year. Half of households make more than that, and half make less.

Is Lake County, Illinois expensive?

In Lake County, Illinois, the median home is worth about $191,600, and the typical rent is about $742 a month.

How educated are people in Lake County, Illinois?

About 38.6% of adults age 25 and over in Lake County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Lake County, Illinois?

About 5.7% of people in Lake County, Illinois live below the federal poverty line.

Has Lake County, Illinois grown since 1990?

Yes, Lake County, Illinois has grown since 1990. The population has added about 127,938 residents, a change of about 25 percent over that period.

Keep going

Explore from here

160 census tracts (top 20 by population)
Census Tract 8609.06Census Tract 8615.04Census Tract 8614.02Census Tract 8644.02Census Tract 8642.07Census Tract 8606Census Tract 8610.11Census Tract 8626.03Census Tract 8611.06Census Tract 8640.01Census Tract 8645.11Census Tract 8616.03Census Tract 8641.10Census Tract 8604Census Tract 8660Census Tract 8619.02Census Tract 8618.03Census Tract 8630.03Census Tract 8662Census Tract 8620
28 ZIP codes
ZIP 60085ZIP 60073ZIP 60047ZIP 60089ZIP 60060ZIP 60031ZIP 60030ZIP 60046ZIP 60099ZIP 60035ZIP 60048ZIP 60015ZIP 60061ZIP 60087ZIP 60002ZIP 60045ZIP 60084ZIP 60064ZIP 60088ZIP 60020ZIP 60044ZIP 60083ZIP 60041ZIP 60069ZIP 60042ZIP 60096ZIP 60040ZIP 60075
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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