Kendall County, IL Population

Overview

130,757

Total Population

35.8

Median age

50.29%

Female population %

98.8:100

Gender ratio (M:F)

5-9 years

Largest age group

50.3

Total dependency ratio

White

Largest racial group

26,347

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Kendall County's population is young compared to the rest of the country:

The median age in Kendall County is 35.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Kendall County's population under 18 was 28.41%, compared to the 22.51% nationwide.
Kendall County's elderly or the senior population (over 65 age) was 10.35% as compared to 16.04% nationwide.
Of the total population in Kendall County, 23.13% were under the age of 15, 18.71% aged 15 to 29, 47.81% aged 30 to 64, 9.36% aged 65 to 84, and 0.99% were 85 years of age and older.

There are 765 more females than males in Kendall County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.29% females and 49.71% males in Kendall County, IL.
The Kendall County, IL gender ratio is 98.8:100 i.e. 98.8 men to 100 women (0.988).
For male population, the largest age group is 5-9 years with a population of 6,178.
For the female population, the largest age group is 40-44 years with a population of 5,819.

Kendall County's population has become increasingly diverse:

Racial distribution of Kendall County population: 76.35% are White, 8.16% are Black or African American, 0.26% are American Indian and Alaska Native, 2.94% are Asian, 4.52% are some other race and 7.78% are multiracial.
Kendall County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 26,347 is Hispanic or Latino (of any race), and 104,41 (79.85% of the total population) is Non-Hispanic.
The largest racial group in Kendall County is White with a population of 99,83 (76.35% of the total population).

Kendall County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 137,254 in the year 2022
From 2000 to 2010, Kendall County's population increased by 60,137 (108.88%), as compared to the national growth of 9.63%.
From 2010 to 2020, Kendall County's population increased by 16,979 (14.72%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Kendall County's population was lowest in year 2000 at 55,232.