Kendall County, Illinois Population 2023

137,008

Kendall County, Illinois's estimated 2023 population is 137,008 with a growth rate of 1.27% in the past year according to the most recent United States census data. Kendall County, Illinois is the 15th largest county in Illinois. The 2010 population was 114,736 and has seen a growth of 19.41% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
2010114,736
2011116,4491,7131.49%
2012118,1621,7131.47%
2013119,8751,7131.45%
2014121,5881,7131.43%
2015123,3011,7131.41%
2016125,0141,7131.39%
2017126,7271,7131.37%
2018128,4401,7131.35%
2019130,1531,7131.33%
2020131,8691,7161.32%
2021133,5821,7131.3%
2022135,2951,7131.28%
2023137,0081,7131.27%
showing: 14 rows
2023 Growth Rate
1.27% (1,713)
County Website
Kendall County
Founded
1841
County Seat
Yorkville
2010 Population
114,736
Growth Since 2010
19.41% (22,272)

Kendall County, Illinois Population 2023

Population by Race

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Race
Population
Percentage (of total)
White99,83076.35%
Black or African American10,6648.16%
Two or more races10,1757.78%
Other race5,9064.52%
Asian3,8482.94%
Native American3340.26%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Kendall County, Illinois Population by Race

Kendall County, Illinois Population Pyramid 2023

Kendall County, Illinois Median Age

35.8

Total

35.2

Male

36.6

Female

Kendall County, Illinois Adults

There are 93,603 adults, (13,534 of whom are seniors) in Kendall County, Illinois.

Kendall County, Illinois Age Dependency

63.3

Age Dependency Ratio

16.9

Old Age Dependency Ratio

46.4

Child Dependency Ratio

Kendall County, Illinois Sex Ratio

Female65,76150.29%
Male64,99649.71%

Kendall County, Illinois Population by Age

Kendall County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All43,2253.0284.115.9
Married27,1103.4992.27.8
Non Family9,2711.2472.127.9
Female4,3573.3660.439.6
Male2,4873.9582.317.7
showing: 5 rows

3.42

Average Family Size

3.02

Average Household Size

84.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Kendall 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

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

Kendall 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 asian people with a rate of 88.24%.

The highest rate of bachelors degrees is among asian people with a rate of 68.28%.

Kendall County, Illinois Educational Attainment by Race

All

Male

Female

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$54,703

Average Earnings

$65,319

Average Male

$43,389

Average Female

Kendall County, Illinois Earnings by Educational Attainment

Kendall County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Kendall County, Illinois Language

81.96% of Kendall County, Illinois residents speak only English, while 18.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.96% of the population.

Kendall County, Illinois Language

Kendall County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White86,8593,2613.75%
Hispanic26,1701,2164.65%
Black10,5788628.15%
Multiple10,0813463.43%
Other5,9003035.14%
Native33410330.84%
Asian3,843912.37%
showing: 7 rows

4.36%

Overall Poverty Rate

3.65%

Male Poverty Rate

5.06%

Female Poverty Rate

Poverty in Kendall County, Illinois

The race most likely to be in poverty in Kendall County, Illinois is Native, with 30.84% below the poverty level.

The race least likely to be in poverty in Kendall County, Illinois is Asian, with 2.37% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.73%. Among those working part-time, it was 6.61%, and for those that did not work, the poverty rate was 8.25%.

Kendall County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade11.08%
High School5.3%
Some College3.99%
Bachelors or Greater1.14%
showing: 4 rows

Kendall County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed33.64%
Male Unemployed21.75%
Female Employed3.2%
Male Employed1.36%
showing: 4 rows

Kendall County, Illinois Poverty Rate by Employment Status and Sex

Kendall County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Kendall County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.5%

Overall Marriage Rate

55.9%

Male Marriage Rate

57.0%

Female Marriage Rate

Kendall County, Illinois Married by Age and Sex

male

female

Kendall 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.

Kendall County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Kendall County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

4,760

Number of Veterans

4,395

Male Veterans

365

Female Veterans

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Kendall County, Illinois Veterans by War

count

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Kendall County, Illinois Veterans by Age

count

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Kendall County, Illinois Veterans by Race

Kendall County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.33%

Veteran Poverty Rate

19.97%

Veteran Disability Rate

Kendall County, Illinois Veterans by Education

LaborForceParticipation

72.6%

Labor Force Participation

69.5%

Employment Rate

4.3%

Unemployment Rate

Kendall County, Illinois Employment by Age

LaborForceParticipation

Kendall County, Illinois Employment by Race

LaborForceParticipation

Kendall 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

75.75%

Born in Kendall County, Illinois

91.1%

Native Born

9.31%

Foreign Born

4.48%

Non Citizen

4.83%

Naturalized

Place of Birth

91.1% of Kendall County, Illinois residents were born in the United States, with 75.75% having been born in Illinois. 4.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Kendall County, Illinois Place of Birth

Sources