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COUNTY · 2020 ACS

Lake County

Illinois · 714,342 residents · 444 sq mi
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The short version

Lake County is home to 714,342 people in Illinois. 46% of adults hold a bachelor's degree, against 33% nationally. That is roughly 35% ahead of the Illinois median. Owners hold 73% of the housing stock. The median household earns $92,654, about 40% above the national median. Poverty is uncommon here, at 7.6% of people here.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.3
US median: 38.8
More educated
46% hold a bachelor's degree
US average: 33%
More affordable
home values down 6%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
714,342
+11%since 2000
from 644,356 in 2000
1990 – 2025
Median age
39.3
+16%since 2000
from 33.8 in 2000
US average: 38.8
Land area
444 sq mi
Population, 1990 – 2024
497K556K615K675K734K19902000201020202024Lake County
2024714K
1990201020202024
Age distribution, 2020
Under 55.4%(38,433)
US avg: 5.6%
5 to 96.4%(45,869)
US avg: 6.1%
10 to 147.4%(52,623)
US avg: 6.5%
15 to 197.9%(56,764)
US avg: 6.6%
20 to 246.6%(47,023)
US avg: 6.7%
25 to 3410.9%(77,598)
US avg: 13.5%
35 to 4412.8%(91,295)
US avg: 12.7%
45 to 5413.8%(98,502)
US avg: 12.3%
55 to 6413.9%(99,186)
US avg: 13.1%
65 to 749%(64,490)
US avg: 10%
75 to 844.2%(29,960)
US avg: 4.9%
85 and over1.8%(12,599)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$92,654
−8%inflation adjusted, since 2000
from $66,973 in 2000
US average: $66,278
1990 – 2024
Per capita income
$47,223
+47%since 2000
from $32,102 in 2000
US average: $35,364
Households earning $100K+
58.8%
+6.6 ptssince 2009
from 52.2% in 2009
US average: 43.9%
Poverty rate
7.6%
+1.8 ptssince 2000
from 5.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade15.9%
US avg: 10%
Information11.7%
US avg: 11.1%
Other services7.8%
US avg: 6.6%
Public administration6.1%
US avg: 4.7%
Wholesale trade5%
US avg: 6.7%
Finance & insurance4.4%
US avg: 5.5%
Transportation & warehousing4.3%
US avg: 2.5%
Professional, scientific, technical4.1%
US avg: 4.7%
Arts, entertainment, food1.6%
US avg: 2%
Education & health services0.3%
US avg: 0.8%
Agriculture, forestry, fishing0.3%
US avg: 1.7%
Construction0.3%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$271,700
−6%inflation adjusted, since 2000
from $191,600 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,216
+9%inflation adjusted, since 2000
from $742 in 2000
US average: $1,124
Owner-occupied
72.9%
−4.9 ptssince 2000
from 77.8% in 2000
27.1% rent
Persons per household
2.74 people
−6%since 2009
from 2.92 people in 2009
US average: 2.61
Afford Score
2.9
−20%since 2009
from 3.7 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic73.4%(472,968)
Black6.8%(43,580)
Hispanic / Latino14.4%(92,716)
Asian3.9%(24,866)
Other0%
2020
White, non-Hispanic57.2%(408,349)
Black6.6%(47,240)
Hispanic / Latino24.1%(171,962)
Asian8.2%(58,901)
Other2.7%(19,641)
Segregation Score
44
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican17.5%(122,278)
Puerto Rican1.5%(10,476)
Central American1.3%(9,426)
South American0.6%(4,389)
Honduran0.6%(4,051)
Salvadoran0.4%(2,717)
Guatemalan0.3%(2,041)
Colombian0.3%(1,857)
Cuban0.3%(1,804)
Spaniard0.1%(812)
Ecuadorian0.1%(689)
Peruvian0.1%(637)
+ 9 more hispanic origin groups with data
Dominican0.1%(601)
Venezuelan0.1%(544)
Argentine0.1%(435)
Nicaraguan0%(220)
Chilean0%(141)
Panamanian0%(110)
Bolivian0%(81)
Asian origin
Asian Indian3.1%(21,389)
Filipino1.6%(10,963)
Chinese1.4%(9,466)
Korean1%(6,654)
Pakistani0.2%(1,659)
Vietnamese0.2%(1,542)
Japanese0.2%(1,452)
Cambodian0.1%(724)
Taiwanese0%(328)
Sri Lankan0%(248)
Thai0%(146)
+ 6 more asian origin groups with data
Burmese0%(100)
Laotian0%(70)
Hmong0%(47)
Nepalese0%(20)
Pacific Islander origin
Chamorro0%(65)
Samoan0%(40)
Fijian0%(26)
Tongan0%(19)
Ancestry
German17.2%(120,050)
Irish10.6%(74,175)
Polish8.4%(58,797)
Italian6.3%(43,806)
English5.9%(41,599)
American3.3%(23,348)
Russian2.5%(17,722)
Swedish2.3%(16,426)
French1.6%(11,535)
Norwegian1.6%(10,910)
Scottish1.3%(8,811)
Dutch1%(7,042)
+ 49 more ancestry groups with data
Greek1%(7,036)
Ukrainian0.8%(5,788)
Czech0.8%(5,512)
Lithuanian0.6%(4,429)
Hungarian0.6%(4,305)
Danish0.6%(3,897)
Romanian0.6%(3,874)
British0.5%(3,676)
West Indian0.5%(3,526)
Scotch-Irish0.5%(3,514)
Austrian0.4%(2,944)
French Canadian0.4%(2,719)
Finnish0.3%(2,249)
Welsh0.3%(2,113)
Slovak0.3%(1,821)
Croatian0.2%(1,740)
Swiss0.2%(1,698)
Slovene0.2%(1,375)
Bulgarian0.2%(1,272)
Canadian0.2%(1,212)
Jamaican0.2%(1,171)
Belgian0.2%(1,127)
Serbian0.1%(1,047)
Iranian0.1%(993)
Latvian0.1%(925)
Portuguese0.1%(888)
Armenian0.1%(630)
Nigerian0.1%(540)
Lebanese0.1%(521)
Israeli0.1%(513)
Brazilian0.1%(512)
Palestinian0.1%(429)
Turkish0.1%(389)
Ghanaian0.1%(373)
Iraqi0%(314)
Haitian0%(313)
Arab0%(272)
Syrian0%(246)
Egyptian0%(229)
Kenyan0%(212)
Australian0%(183)
Jordanian0%(110)
Ethiopian0%(100)
Moroccan0%(45)
Guyanese0%(24)
Section 05

Education

Bachelor's degree or higher
46.1%
+7.5 ptssince 2000
from 38.6% in 2000
US average: 32.9%
High school or higher
90.8%
+4.2 ptssince 2000
from 86.6% in 2000
US average: 88.5%
Graduate degree
19.1%
+4.6 ptssince 2000
from 14.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
30.4 min
+37%since 2000
from 22.2 min in 2000
US average: 26.9
Drive alone to work
74.2%
−3.1 ptssince 2009
from 77.3% in 2009
US average: 75.1%
No vehicle available
5.0%
+0.7 ptssince 2009
from 4.3% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.3%
−3.3 ptssince 2011
from 8.6% in 2011
US average: 5.4%
Labor force participation
68.9%
−2.6 ptssince 2011
from 71.4% in 2011
US average: 63.4%
Women 20-64 in the labor force
76.2%
US average: 73.3%
Management & professional
44.8%
+4.2 ptssince 2009
from 40.7% in 2009
US average: 39.3%
Section 08

People & community

Male
50.0%
−0.3 ptssince 2009
from 50.2% in 2009
Female
50.0%
+0.3 ptssince 2009
from 49.8% in 2009
Foreign born
18.7%
+0.8 ptssince 2009
from 17.9% in 2009
US average: 13.5%
Uninsured
6.4%
−4.9 ptssince 2013
from 11.3% in 2013
US average: 8.8%
Computer in household
95.1%
US average: 91.9%
Same house as last year
87.3%
US average: 86.2%
Marital status (2024)
Men 15+
Never married35.2%(102,538)
Married55.5%(161,684)
Widowed2.3%(6,569)
Divorced7%(20,342)
Women 15+
Never married29.3%(84,942)
Married53.7%(155,682)
Widowed6.9%(20,131)
Divorced10%(28,926)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
6.4%
−4.9 ptssince 2013
from 11.3% in 2013
US average: 8.8%
Employer-based
64.4%
US average: 55.4%
Direct-purchase
13.4%
US average: 13.7%
Medicare
14.8%
US average: 17.6%
Medicaid
13.6%
US average: 20.0%
VA health care
1.6%
US average: 2.3%
Any private
76.4%
US average: 68.1%
Any public
27.6%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)23.8%(7,057)
US avg: 20.6%
Gulf War (1990s)19.4%(5,761)
US avg: 21.4%
Vietnam era32.4%(9,591)
US avg: 35.2%
Korean War7.7%(2,281)
US avg: 7.6%
World War II3.8%(1,115)
US avg: 2.9%

Share of the 29,644 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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$83,498−10%
Home value$324,500+19%
Population5,194,625+622%
SEE FULL COMPARISON →
LAKE COUNTY VS
DuPage County
Income$112,096+21%
Home value$391,400+44%
Population934,298+30%
SEE FULL COMPARISON →
LAKE COUNTY VS
Kenosha County
Income$81,239−12%
Home value$265,500−2%
Population168,448−77%
SEE FULL COMPARISON →
LAKE COUNTY VS
McHenry County
Income$104,802+13%
Home value$308,100+13%
Population317,751−56%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lake County, Illinois?

Lake County, Illinois has about 714,342 residents according to the 2020 American Community Survey.

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

The typical household in Lake County, Illinois earns about $92,654 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 $271,700, and the typical rent is about $1,216 a month.

How educated are people in Lake County, Illinois?

About 46.1% 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 7.6% 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 197,924 residents, a change of about 38 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 →