Will County, Illinois Population 2023

701,995

Will County, Illinois's estimated 2023 population is 701,995 with a growth rate of 0.27% in the past year according to the most recent United States census data. Will County, Illinois is the 4th largest county in Illinois. The 2010 population was 677,560 and has seen a growth of 3.61% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
0.27% (1,880)
County Website
Will County
Founded
January 12, 1836
County Seat
Joliet
2010 Population
677,560
Growth Since 2010
3.61% (24,435)

Will County, Illinois Population 2023

Population by Race

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White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Will County, Illinois Population by Race

Will County, Illinois Population Pyramid 2023

Will County, Illinois Median Age

38.3

Total

37.4

Male

39.2

Female

Will County, Illinois Adults

There are 523,977 adults, (91,810 of whom are seniors) in Will County, Illinois.

Will County, Illinois Age Dependency

61.1

Age Dependency Ratio

21.2

Old Age Dependency Ratio

39.9

Child Dependency Ratio

Will County, Illinois Sex Ratio

Female349,03450.12%
Male347,36949.88%

Will County, Illinois Population by Age

Will County, Illinois Renter vs Owner Occupied by Household Type

3.39

Average Family Size

2.9

Average Household Size

81.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Will County, Illinois Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Will County, Illinois Educational Attainment by Sex (over 25)

Will County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 83.39%.

The highest rate of bachelors degrees is among asian people with a rate of 60.46%.

Will County, Illinois Educational Attainment by Race

All

Male

Female

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$53,872

Average Earnings

$65,742

Average Male

$41,589

Average Female

Will County, Illinois Earnings by Educational Attainment

Will County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Will County, Illinois Language

79.46% of Will County, Illinois residents speak only English, while 20.54% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.46% of the population.

Will County, Illinois Language

Will County, Illinois Poverty by Race

rate

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6.79%

Overall Poverty Rate

5.76%

Male Poverty Rate

7.81%

Female Poverty Rate

Poverty in Will County, Illinois

The race most likely to be in poverty in Will County, Illinois is Native, with 24.03% below the poverty level.

The race least likely to be in poverty in Will County, Illinois is Asian, with 4.81% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.46%. Among those working part-time, it was 8.28%, and for those that did not work, the poverty rate was 12.03%.

Will County, Illinois Poverty

rate

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Will County, Illinois Poverty Rate by Education

rate

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Will County, Illinois Poverty Rate by Employment Status and Sex

Will County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Will County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.8%

Overall Marriage Rate

54.9%

Male Marriage Rate

52.8%

Female Marriage Rate

Will County, Illinois Married by Age and Sex

male

female

Will County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Will County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Will County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

27,236

Number of Veterans

25,074

Male Veterans

2,162

Female Veterans

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Will County, Illinois Veterans by War

count

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Will County, Illinois Veterans by Age

count

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Will County, Illinois Veterans by Race

Will County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.44%

Veteran Poverty Rate

25.42%

Veteran Disability Rate

Will County, Illinois Veterans by Education

LaborForceParticipation

68.8%

Labor Force Participation

65.2%

Employment Rate

5.2%

Unemployment Rate

Will County, Illinois Employment by Age

LaborForceParticipation

Will County, Illinois Employment by Race

LaborForceParticipation

Will County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.36%

Born in Will County, Illinois

88.93%

Native Born

12.54%

Foreign Born

5.26%

Non Citizen

7.27%

Naturalized

Place of Birth

88.93% of Will County, Illinois residents were born in the United States, with 74.36% having been born in Illinois. 5.26% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Will County, Illinois Place of Birth

Sources