Cass County, Illinois Population 2024

12,554

Cass County, Illinois's estimated 2024 population is 12,554 with a growth rate of -0.33% in the past year according to the most recent United States census data. Cass County, Illinois is the 81st largest county in Illinois. The 2010 population was 13,632 and has seen a growth of -7.91% since that time.

Note: data after 2022 is projected based on recent change

36 Rows

Year
Population
Growth
Change
202912,344-42-0.34%
202812,386-42-0.34%
202712,428-42-0.34%
202612,470-42-0.34%
202512,512-42-0.33%
202412,554-42-0.33%
202312,596-42-0.33%
202212,638-152-1.19%
202112,790-201-1.55%
202012,9918507%
201912,141-212-1.72%
201812,353-172-1.37%
201712,525-152-1.2%
201612,677-166-1.29%
201512,843-236-1.8%
201413,079-214-1.61%
201313,293-134-1%
201213,427-198-1.45%
201113,625-7-0.05%
201013,63200%
199013,437-1,647-10.92%
198015,0848656.08%
197014,219-320-2.2%
196014,539-558-3.7%
195015,097-1,328-8.09%
194016,425-112-0.68%
193016,537-1,359-7.59%
192017,8965243.02%
191017,3721500.87%
190017,2221,2597.89%
189015,9631,47010.14%
188014,4932,91325.16%
187011,5802552.25%
186011,3254,07256.14%
18507,2534,272143.31%
18402,981-9,363-75.85%
2024 Growth Rate
-0.33% (-42)
County Seat
Virginia
2020 Population
12,991
Area
376 mi²
Density
33 people/mi²
Growth Since 2020
-3.36% (-437)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White10,64482.16%
Two or more races8596.63%
Other race6675.15%
Black or African American4673.6%
Native American1190.92%
Native Hawaiian or Pacific Islander1010.78%
Asian980.76%

White

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Asian

Cass County, Illinois Population by Race

Cass County, Illinois Population Pyramid 2024

Cass County, Illinois Median Age

38.8

Total

37.5

Male

40.4

Female

Cass County, Illinois Adults

There are 9,810 adults, (2,331 of whom are seniors) in Cass County, Illinois.

Cass County, Illinois Age Dependency

73.2

Age Dependency Ratio

31.2

Old Age Dependency Ratio

42.1

Child Dependency Ratio

Cass County, Illinois Sex Ratio

Female6,39849.39%
Male6,55750.61%

Cass County, Illinois Population by Age

Cass County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,0042.5677.222.8
Married2,4563.2786.913.1
Non Family1,7171.1771.428.6
Female5623.2166.933.1
Male2693.5246.153.9

3.19

Average Family Size

2.56

Average Household Size

77.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Cass County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade6317.23%
Associates Degree6427.35%
Bachelors Degree1,24914.3%
Graduate Degree4314.94%
High School Graduate3,71942.59%
Less Than 9th Grade5776.61%
Some College1,48416.99%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Cass County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White6,9996,3221,412
Hispanic1,283847216
Other Race360183142
2+ Races2992233
Black26619940
Islander96740
Asian727237
Native American50440

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 51.39%.

Cass County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$43,854$52,841$34,167
Graduate Degree$73,289$86,786$61,071
High School Graduate$38,105$46,736$29,265
Less Than 9th Grade$27,955$33,269$20,714
Overall$41,289$47,754$33,921
Some College$47,917$51,404$38,368

$41,289

Average Earnings

$47,754

Average Male

$33,921

Average Female

Cass County, Illinois Earnings by Educational Attainment

Cass County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Cass County, Illinois Language

79.87% of Cass County, Illinois residents speak only English, while 20.13% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.82% of the population.

Cass County, Illinois Language

Cass County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White9,3851,15212.27%
Hispanic2,63629111.04%
Other66713019.49%
Black46712025.7%
Multiple859303.49%
Native119108.4%
Asian9866.12%

12.28%

Overall Poverty Rate

9.59%

Male Poverty Rate

15.06%

Female Poverty Rate

Poverty in Cass County, Illinois

The race most likely to be in poverty in Cass County, Illinois is Black, with 25.7% below the poverty level.

The race least likely to be in poverty in Cass County, Illinois is Multiple, with 3.49% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.2%. Among those working part-time, it was 16.26%, and for those that did not work, the poverty rate was 20.55%.

Cass County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade16.62%
High School13.61%
Bachelors or Greater10.3%
Some College7.39%

Cass County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed33.01%
Female Unemployed13.39%
Female Employed9.48%
Male Employed3.32%

Cass County, Illinois Poverty Rate by Employment Status and Sex

Cass County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$75,790$88,866
Households$64,826$75,705
Married Families$85,063$-999,999,999
Non Families$35,433$46,634

mean

median

Income by Household Type

Cass County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.8%

Overall Marriage Rate

53.2%

Male Marriage Rate

50.4%

Female Marriage Rate

Cass County, Illinois Married by Age and Sex

male

female

Cass 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 55-64.

Cass County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Cass County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

620

Number of Veterans

615

Male Veterans

5

Female Veterans

War
Veterans
Vietnam286
First Gulf War110
Korea86
Second Gulf War69
World War II10

Cass County, Illinois Veterans by War

count

Age Group
Veterans
65 to 74209
75+180
35 to 54123
55 to 6498
18 to 3410

Cass County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White5960.07176399759181216
Black210.06752411575562701
Hispanic210.013075965130759652
2+ Races30.00625

Cass County, Illinois Veterans by Race

Cass County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.21%

Veteran Poverty Rate

41.04%

Veteran Disability Rate

Cass County, Illinois Veterans by Education

LaborForceParticipation

61.2%

Labor Force Participation

57.9%

Employment Rate

5.4%

Unemployment Rate

Cass County, Illinois Employment by Age

LaborForceParticipation

Cass County, Illinois Employment by Race

LaborForceParticipation

Cass 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

76.02%

Born in Cass County, Illinois

89.36%

Native Born

10.64%

Foreign Born

7.86%

Non Citizen

2.79%

Naturalized

Place of Birth

89.36% of Cass County, Illinois residents were born in the United States, with 76.02% having been born in Illinois. 7.86% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Cass County, Illinois Place of Birth

Sources