Cass County, IL Population

Overview

13,058

Total Population

38.3

Median age

49.75%

Female population %

101:100

Gender ratio (M:F)

10-14 years

Largest age group

60.9

Total dependency ratio

White

Largest racial group

2,575

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Cass County is 38.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Cass County's population under 18 was 24.59%, compared to the 22.51% nationwide.
Cass County's elderly or the senior population (over 65 age) was 17.40% as compared to 16.04% nationwide.
Of the total population in Cass County, 20.45% were under the age of 15, 18.32% aged 15 to 29, 43.84% aged 30 to 64, 14.77% aged 65 to 84, and 2.63% were 85 years of age and older.

There are 66 less females than males in Cass County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.75% females and 50.25% males in Cass County, IL.
The Cass County, IL gender ratio is 101:100 i.e. 101 men to 100 women (1.010).
For male population, the largest age group is 10-14 years with a population of 537.
For the female population, the largest age group is 55-59 years with a population of 490.

Cass County's population has become increasingly diverse:

Racial distribution of Cass County population: 84.81% are White, 3.45% are Black or African American, 0.83% are American Indian and Alaska Native, 0.68% are Asian, 0.70% are Native Hawaiian and other Pacific Islander, 4.17% are some other race and 5.35% are multiracial.
Cass County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 2,575 is Hispanic or Latino (of any race), and 10,483 (80.28% of the total population) is Non-Hispanic.
The largest racial group in Cass County is White with a population of 11,075 (84.81% of the total population).

Cass County's population has already reached its peak and is showing a trend of decline:

The peak population was 13,673 in the year 2007
From 2000 to 2010, Cass County's population decreased by 12 (0.09%), as compared to the national growth of 9.63%.
From 2010 to 2020, Cass County's population decreased by 647 (4.75%), 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, Cass County's population was lowest in year 2019 at 12,141.