Lake County, Illinois Population 2020

Lake County, Illinois's estimated population is 703,006 with a growth rate of -0.23% in the past year according to the most recent United States census data. Lake County, Illinois is the 3rd largest county in Illinois.

Year Population Growth Growth Rate
2018700,832-2,174-0.31%
2017703,006-1,638-0.23%
2016704,644-351-0.05%
2015704,9953770.05%
2014704,6181560.02%
2013704,4622,2490.32%
2012702,2135660.08%
2011701,647-2,545-0.36%
2010704,192187,77436.36%
1990516,41876,04617.27%
1980440,37257,73415.09%
1970382,63888,98230.30%
1960293,656114,55963.96%
1950179,09758,00347.90%
1940121,09416,70716.00%
1930104,38730,10240.52%
192074,28519,22734.92%
191055,05820,55459.57%
190034,50410,26942.37%
189024,2352,93913.80%
188021,2962821.34%
187021,0142,75715.10%
186018,2574,03128.34%
185014,22611,592440.09%
18402,6340.00%

Lake County, Illinois Population Growth

Population by Race

Race Population Percentage
White543,63577.26%
Asian53,0017.53%
Black or African American47,4896.75%
Some Other Race38,2735.44%
Two or More Races19,0642.71%
American Indian and Alaska Native1,7600.25%
Native Hawaiian and Other Pacific Islander3970.06%

Lake County, Illinois Population Pyramid 2020

Lake County, Illinois Median Age

38.2


Total

36.6


Male

39.8


Female

Lake County, Illinois Adults

There are 529,440 adults, (93,069 of whom are seniors) in Lake County, Illinois.

Lake County, Illinois Age Dependency

61.2

Age Dependency Ratio

21.3

Old Age Dependency Ratio

39.9

Child Dependency Ratio

Lake County, Illinois Sex Ratio

Female

352,276

50.07%

Male

351,343

49.93%

Lake County, Illinois Households and Families

Lake County, Illinois Renter vs Owner Occupied by Household Type

Lake County, Illinois Household Types

Type Owner Renter
Married84.6%15.4%
All73.4%26.6%
Male61.2%38.8%
Non Family59%41%
Female50.8%49.2%

73.4%

Rate of Home Ownership

Type Count Average Size Owned
All244,6722.873.4
Married144,3513.3684.6
Non Family65,1031.2259
Female25,4033.3850.8
Male9,8153.561.2

3.31

Average Family Size

2.8

Average Household Size

4.7%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Lake County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade22,3864.90%
9th to 12th Grade20,7524.54%
High School Graduate96,53221.12%
Some College83,14218.19%
Associates Degree28,4096.22%
Bachelors Degree120,07226.27%
Graduate Degree85,71518.76%

Lake County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White309,571299,824160,994
Hispanic77,51349,3669,446
Asian36,11334,07726,000
Black28,58525,5727,245
Other Race21,31412,1031,755
Multiple Races6,2165,6752,243
Native American1,186956264
Islander189168123

The highest rate of high school graduation is among white people with a rate of 96.85%.

The highest rate of bachelors degrees is among asian people with a rate of 72.00%.

Name Average Male Female
Overall$49,427$60,190$38,610
Less Than High School$23,690$27,679$18,664
High School Grad$31,829$37,508$26,411
Some College$41,082$49,060$34,411
Bachelors Degree$67,943$88,062$50,953
Graduate Degree$93,805$120,414$69,438

$49,427

Average Earnings

$60,190

Average Male

$38,610

Average Female

Lake County, Illinois Language

Lake County, Illinois Language by Age

Lake County, Illinois Language

71.57% of Lake County, Illinois residents speak only English, while 28.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.09% of the population.

Lake County, Illinois Poverty

Lake County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White427,27821,3715.00%
Hispanic147,60620,98914.22%
Black44,8379,63921.50%
Other37,7495,29014.01%
Asian52,1193,3306.39%
Multiple18,0651,5498.57%
Native1,755824.67%
Islander3864010.36%

8.26%

Overall Poverty Rate

7.40%

Male Poverty Rate

9.09%

Female Poverty Rate

Poverty in Lake County, Illinois

The race most likely to be in poverty in Lake County, Illinois is Black, with 21.50% below the poverty level.

The race least likely to be in poverty in Lake County, Illinois is Native, with 4.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.75%. Among those working part-time, it was 10.30%, and for those that did not work, the poverty rate was 14.39%.

Name Poverty
Less Than High School17.82%
High School10.78%
Some College6.33%
Bachelors or Greater2.95%
Name Poverty
Female Unemployed24.95%
Male Unemployed22.41%
Female Employed4.52%
Male Employed3.43%

Lake County, Illinois Income

Lake County, Illinois Income by Household Type

Name Median Mean
Households$86,244$123,830
Families$105,329$143,931
Married Families$120,434$162,584
Non Families$44,540$64,299

Lake County, Illinois Marital Status

Lake County, Illinois Marital Status

Marriage Rates

54.7%

Overall Marriage Rate

56.3%

Male Marriage Rate

53.1%

Female Marriage Rate

Lake County, Illinois Married by Age and Sex

Lake County, Illinois Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Lake County, Illinois Marital Status by Race

Lake County, Illinois Veterans

31,211

Number of Veterans

28,241

Male Veterans

2,970

Female Veterans

War Veterans
Vietnam10,898
Second Gulf War5,770
First Gulf War5,728
Korea2,963
World War II1,611
Name Veterans % of Total
White26,2816.41%
Black3,3329.91%
Hispanic2,0902.20%
Asian8102.03%
2 or More4865.78%
Other2420.94%
Indian604.36%

$Lake County, Illinois Veterans by Education

4.83%

Veteran Poverty Rate

25.32%

Veteran Disability Rate

Lake County, Illinois Employment Status

69.2%

Labor Force Participation

63.6%

Employment Rate

5.6%

Unemployment Rate

Lake County, Illinois Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

59.48%

Born in Illinois

81.38%

Native Born

18.62%

Foreign Born

9.34%

Non Citizen

Place of Birth

81.38% of Lake County, Illinois residents were born in the United States, with 59.48% having been born in Illinois. 9.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990