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COUNTY · 2010 ACS

Lake County

Illinois · 703,462 residents · 444 sq mi
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The short version

Lake County is home to 703,462 people in Illinois. Households here earn about 42% more than in Illinois as a whole. 41% of adults hold a bachelor's degree, against 28% nationally. 77% of homes are owner-occupied. The median household earns $78,948, about 50% above the national median. Poverty is uncommon here, at 7.0% of people here.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 36.7
US median: 37.2
More educated
41% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
703,462
+9%since 2000
from 644,356 in 2000
1990 – 2025
Median age
36.7
+9%since 2000
from 33.8 in 2000
US average: 37.2
Land area
444 sq mi
Population, 1990 – 2024
497K556K615K675K734K19902000201020202024Lake County
2024714K
1990201020202024
Age distribution, 2010
Under 56.7%(47,115)
US avg: 6.5%
5 to 97.6%(53,615)
US avg: 6.6%
10 to 148.1%(56,719)
US avg: 6.7%
15 to 198%(56,143)
US avg: 7.1%
20 to 246%(42,235)
US avg: 7%
25 to 3411.5%(81,060)
US avg: 13.3%
35 to 4414.2%(99,747)
US avg: 13.3%
45 to 5416.2%(113,983)
US avg: 14.6%
55 to 6411.3%(79,752)
US avg: 11.8%
65 to 745.7%(40,436)
US avg: 7%
75 to 843.2%(22,762)
US avg: 4.2%
85 and over1.4%(9,895)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$78,948
−7%inflation adjusted, since 2000
from $66,973 in 2000
US average: $52,703
1990 – 2024
Per capita income
$38,120
+19%since 2000
from $32,102 in 2000
US average: $27,286
Households earning $100K+
52.5%
+0.3 ptssince 2009
from 52.2% in 2009
US average: 33.3%
Poverty rate
7.0%
+1.3 ptssince 2000
from 5.7% in 2000
US average: 13.8%
Income inequality (Gini)
0.468
US average: 0.461
Workforce by industry, 2010
Retail trade16.6%
US avg: 10.9%
Information11.8%
US avg: 11.5%
Other services8.2%
US avg: 7%
Public administration6.3%
US avg: 4.9%
Wholesale trade5.8%
US avg: 7.2%
Transportation & warehousing5%
US avg: 3.1%
Finance & insurance3.7%
US avg: 5.1%
Professional, scientific, technical3.2%
US avg: 4.2%
Arts, entertainment, food2.1%
US avg: 2.4%
Education & health services0.6%
US avg: 0.9%
Agriculture, forestry, fishing0.3%
US avg: 1.9%
Construction0.3%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$287,300
+18%inflation adjusted, since 2000
from $191,600 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$963
+2%inflation adjusted, since 2000
from $742 in 2000
US average: $853
Owner-occupied
76.6%
−1.2 ptssince 2000
from 77.8% in 2000
23.4% rent
Vacancy rate
7.3%
+0.6 ptssince 2009
from 6.7% in 2009
US average: 12.1%
Persons per household
2.84 people
−3%since 2009
from 2.92 people in 2009
US average: 2.60
Owner cost-burdened
37.0%
+0.2 ptssince 2009
from 36.8% in 2009
US average: 30.9%
Renter cost-burdened
46.5%
+1.3 ptssince 2009
from 45.1% in 2009
US average: 46.8%
Afford Score
3.6
−1%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%
2010
White, non-Hispanic65.2%(458,701)
Black6.7%(46,989)
Hispanic / Latino19.9%(139,987)
Asian6.2%(43,954)
Other2%(14,044)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican15.5%(108,261)
Puerto Rican1.3%(8,736)
Central American0.9%(6,442)
South American0.6%(4,226)
Honduran0.4%(2,640)
Colombian0.3%(2,004)
Salvadoran0.3%(1,891)
Cuban0.2%(1,373)
Guatemalan0.2%(1,126)
Spaniard0.1%(689)
Ecuadorian0.1%(669)
Peruvian0.1%(649)
+ 9 more hispanic origin groups with data
Argentine0.1%(395)
Dominican0%(346)
Bolivian0%(147)
Chilean0%(99)
Uruguayan0%(78)
Ancestry
German20.5%(142,717)
Irish12.9%(89,892)
Polish9.4%(65,403)
Italian6.9%(48,323)
English6.5%(45,338)
American4%(27,837)
Russian3.8%(26,710)
Swedish3%(20,711)
Norwegian2%(14,053)
French2%(13,610)
Scottish1.5%(10,760)
Dutch1.3%(9,046)
+ 49 more ancestry groups with data
Scotch-Irish1.1%(7,975)
Greek1.1%(7,647)
Czech1%(6,898)
Lithuanian0.8%(5,442)
Danish0.8%(5,382)
Ukrainian0.7%(4,695)
Hungarian0.7%(4,636)
Finnish0.6%(3,997)
Austrian0.5%(3,560)
Romanian0.5%(3,416)
West Indian0.4%(3,129)
Welsh0.4%(3,046)
French Canadian0.4%(2,837)
Croatian0.4%(2,707)
British0.4%(2,575)
Slovak0.3%(2,335)
Swiss0.3%(2,317)
Arab0.3%(2,064)
Belgian0.3%(2,032)
Serbian0.3%(1,782)
Slovene0.2%(1,637)
Jamaican0.2%(1,509)
Canadian0.2%(1,280)
Armenian0.2%(1,229)
Latvian0.1%(971)
Bulgarian0.1%(929)
Iranian0.1%(920)
Portuguese0.1%(754)
Turkish0.1%(691)
Israeli0.1%(520)
Lebanese0.1%(424)
Syrian0.1%(394)
Egyptian0%(299)
Brazilian0%(289)
Haitian0%(254)
Australian0%(171)
Nigerian0%(157)
Iraqi0%(152)
Moroccan0%(121)
Jordanian0%(99)
Guyanese0%(50)
Ethiopian0%(42)
Ghanaian0%(27)
Somali0%(13)
Kenyan0%(5)
Section 05

Education

Bachelor's degree or higher
41.3%
+2.7 ptssince 2000
from 38.6% in 2000
US average: 27.9%
High school or higher
88.5%
+1.9 ptssince 2000
from 86.6% in 2000
US average: 84.9%
Graduate degree
16.5%
+1.9 ptssince 2000
from 14.6% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
30.4 min
+37%since 2000
from 22.2 min in 2000
US average: 25.2
Drive alone to work
76.6%
−0.6 ptssince 2009
from 77.3% in 2009
US average: 76.2%
Carpooled to work
9.0%
−0.1 ptssince 2009
from 9.1% in 2009
US average: 10.4%
Public transit
4.1%
−0.1 ptssince 2009
from 4.2% in 2009
US average: 4.7%
Worked from home
5.9%
+0.5 ptssince 2009
from 5.4% in 2009
US average: 4.1%
Walked to work
3.0%
+0.5 ptssince 2009
from 2.5% in 2009
US average: 2.8%
Biked to work
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 0.5%
No vehicle available
4.5%
+0.2 ptssince 2009
from 4.3% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
10.5%
+0.1 ptssince 2009
from 10.4% in 2009
US average: 12.9%
Management & professional
41.2%
+0.5 ptssince 2009
from 40.7% in 2009
US average: 35.2%
Section 08

People & community

Male
50.0%
−0.2 ptssince 2009
from 50.2% in 2009
Female
50.0%
+0.2 ptssince 2009
from 49.8% in 2009
Foreign born
18.0%
+0.1 ptssince 2009
from 17.9% in 2009
US average: 12.8%
Veterans
7.9%
−0.1 ptssince 2009
from 8.0% in 2009
US average: 9.9%
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

Showing 2024 (the nearest year with coverage data).

Uninsured
6.9%
−4.4 ptssince 2013
from 11.3% in 2013
US average: 8.4%
Employer-based
63.5%
−0.9 ptssince 2020
from 64.4% in 2020
US average: 54.8%
Direct-purchase
13.3%
−0.1 ptssince 2020
from 13.4% in 2020
US average: 13.8%
Medicare
16.2%
+1.4 ptssince 2020
from 14.8% in 2020
US average: 18.4%
Medicaid
14.5%
+0.9 ptssince 2020
from 13.6% in 2020
US average: 20.9%
VA health care
1.5%
−0.1 ptssince 2020
from 1.6% in 2020
US average: 2.2%
Any private
74.7%
−1.7 ptssince 2020
from 76.4% in 2020
US average: 67.1%
Any public
29.4%
+1.8 ptssince 2020
from 27.6% in 2020
US average: 36.7%

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, 2024
Gulf War (2001 or later)30.2%(7,586)
US avg: 26.4%
Gulf War (1990s)21.5%(5,391)
US avg: 24.3%
Vietnam era31.1%(7,818)
US avg: 33.1%
Korean War3.3%(831)
US avg: 4.5%
World War II1.5%(368)
US avg: 1%

Share of the 25,130 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+6%
Home value$324,500+13%
Population5,194,625+622%
SEE FULL COMPARISON →
LAKE COUNTY VS
DuPage County
Income$112,096+42%
Home value$391,400+36%
Population934,298+30%
SEE FULL COMPARISON →
LAKE COUNTY VS
Kenosha County
Income$81,239+3%
Home value$265,500−8%
Population168,448−77%
SEE FULL COMPARISON →
LAKE COUNTY VS
McHenry County
Income$104,802+33%
Home value$308,100+7%
Population317,751−56%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lake County, Illinois?

Lake County, Illinois has about 703,462 residents according to the 2010 American Community Survey.

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

The typical household in Lake County, Illinois earns about $78,948 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 $287,300, and the typical rent is about $963 a month.

How educated are people in Lake County, Illinois?

About 41.3% 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 7.0% 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 187,044 residents, a change of about 36 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 →