Kendall County, Illinois Population 2024

142,458

Kendall County, Illinois's estimated 2024 population is 142,458 with a growth rate of 1.77% in the past year according to the most recent United States census data. Kendall County, Illinois is the 14th largest county in Illinois. The 2010 population was 115,369 and has seen a growth of 23.48% since that time.

Note: data after 2022 is projected based on recent change

35 Rows

Year
Population
Growth
Change
2029154,8682,4821.63%
2028152,3862,4821.66%
2027149,9042,4821.68%
2026147,4222,4821.71%
2025144,9402,4821.74%
2024142,4582,4821.77%
2023139,9762,4821.81%
2022137,4942,4791.84%
2021135,0152,6602.01%
2020132,3553,4552.68%
2019128,9001,2370.97%
2018127,6631,5001.19%
2017126,1631,6141.3%
2016124,5491,6571.35%
2015122,8921,5071.24%
2014121,3851,8031.51%
2013119,5821,3271.12%
2012118,2551,4381.23%
2011116,8171,4481.26%
2010115,36900%
199039,4132,2115.94%
198037,20210,82841.06%
197026,3748,83450.36%
196017,5405,42544.78%
195012,1151,0109.1%
194011,1055505.21%
193010,5554814.77%
192010,074-703-6.52%
191010,777-690-6.02%
190011,467-639-5.28%
189012,106-977-7.47%
188013,0836845.52%
187012,399-675-5.16%
186013,0745,34469.13%
18507,730-147,138-95.01%
2024 Growth Rate
1.77% (2,482)
County Website
Kendall County
County Seat
Yorkville
2020 Population
132,355
Area
320 mi²
Density
445 people/mi²
Growth Since 2020
7.63% (10,103)
Founded
1841

Population by Race

Race
Population
Percentage (of total)
White97,71173.58%
Two or more races12,7319.59%
Black or African American10,6888.05%
Other race7,3495.53%
Asian3,9572.98%
Native American3590.27%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Kendall County, Illinois Population by Race

Kendall County, Illinois Population Pyramid 2024

Kendall County, Illinois Median Age

36.1

Total

35.5

Male

37

Female

Kendall County, Illinois Adults

There are 96,053 adults, (14,312 of whom are seniors) in Kendall County, Illinois.

Kendall County, Illinois Age Dependency

62.5

Age Dependency Ratio

17.5

Old Age Dependency Ratio

44.9

Child Dependency Ratio

Kendall County, Illinois Sex Ratio

Female66,42550.02%
Male66,37049.98%

Kendall County, Illinois Population by Age

Kendall County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All43,8783.0284.115.9
Married26,8993.592.97.1
Non Family9,6531.2370.829.2
Female4,8103.4460.939.1
Male2,516485.514.5

3.45

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

Education Attained
Count
Percentage
9th to 12th Grade3,6054.25%
Associates Degree9,45411.13%
Bachelors Degree19,17822.59%
Graduate Degree11,19413.18%
High School Graduate20,83324.54%
Less Than 9th Grade2,0052.36%
Some College18,64021.95%

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

Race
Total
High School
Bachelors
White58,39856,11522,280
Hispanic15,17312,7523,205
Black6,4065,7351,658
2+ Races6,1875,5861,422
Other Race4,7923,945688
Asian2,9452,8872,399
Native American20711614

The highest rate of high school graduation is among asian people with a rate of 98.03%.

The highest rate of bachelors degrees is among asian people with a rate of 81.46%.

Kendall County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$70,778$91,811$56,839
Graduate Degree$78,010$100,100$71,588
High School Graduate$49,879$63,374$36,617
Less Than 9th Grade$37,229$45,070$21,179
Overall$58,533$69,202$47,326
Some College$49,848$57,136$41,353

$58,533

Average Earnings

$69,202

Average Male

$47,326

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

80.49% of Kendall County, Illinois residents speak only English, while 19.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.17% of the population.

Kendall County, Illinois Language

Kendall County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White86,0012,9803.47%
Hispanic27,7811,7596.33%
Black10,6001,30912.35%
Multiple12,6471,1108.78%
Other7,3434305.86%
Native35910930.36%
Asian3,952902.28%

4.75%

Overall Poverty Rate

4.02%

Male Poverty Rate

5.47%

Female Poverty Rate

Poverty in Kendall County, Illinois

The race most likely to be in poverty in Kendall County, Illinois is Native, with 30.36% below the poverty level.

The race least likely to be in poverty in Kendall County, Illinois is Asian, with 2.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.37%. Among those working part-time, it was 6.85%, and for those that did not work, the poverty rate was 9.62%.

Kendall County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade9.5%
High School5.11%
Some College4.61%
Bachelors or Greater2.08%

Kendall County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed35.63%
Male Unemployed19.32%
Female Employed2.86%
Male Employed1.1%

Kendall County, Illinois Poverty Rate by Employment Status and Sex

Kendall County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$114,678$131,253
Households$106,358$121,223
Married Families$128,582$-999,999,999
Non Families$65,533$77,979

mean

median

Income by Household Type

Kendall County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.1%

Overall Marriage Rate

55.8%

Male Marriage Rate

54.5%

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

4,409

Number of Veterans

4,188

Male Veterans

221

Female Veterans

War
Veterans
Vietnam1,516
Second Gulf War1,295
First Gulf War1,055
Korea209
World War II33

Kendall County, Illinois Veterans by War

count

Age Group
Veterans
65 to 741,249
35 to 541,206
18 to 34705
75+698
55 to 64551

Kendall County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White3,9250.05451010346503715
Hispanic4390.023646646916240237
Black2390.03250816104461371
2+ Races1070.014299077909929172
Other Race950.016467325359681054
Asian430.013633481293595434

Kendall County, Illinois Veterans by Race

Kendall County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.43%

Veteran Poverty Rate

20.4%

Veteran Disability Rate

Kendall County, Illinois Veterans by Education

LaborForceParticipation

72.3%

Labor Force Participation

69.2%

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

74.89%

Born in Kendall County, Illinois

90.22%

Native Born

9.78%

Foreign Born

4.76%

Non Citizen

5.01%

Naturalized

Place of Birth

90.22% of Kendall County, Illinois residents were born in the United States, with 74.89% having been born in Illinois. 4.76% 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