Cass County, Iowa Population 2024

13,123

Cass County, Iowa's estimated 2024 population is 13,123 with a growth rate of -0.05% in the past year according to the most recent United States census data. Cass County, Iowa is the 58th largest county in Iowa. The 2010 population was 13,927 and has seen a growth of -5.77% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202913,088-7-0.05%
202813,095-7-0.05%
202713,102-7-0.05%
202613,109-7-0.05%
202513,116-7-0.05%
202413,123-7-0.05%
202313,130-7-0.05%
202213,137480.37%
202113,089-34-0.26%
202013,1233012.35%
201912,822-137-1.06%
201812,959-196-1.49%
201713,155-43-0.33%
201613,198-156-1.17%
201513,354-40-0.3%
201413,394-175-1.29%
201313,569-128-0.93%
201213,697-65-0.47%
201113,762-165-1.18%
201013,92700%
199015,128-1,804-10.65%
198016,932-75-0.44%
197017,007-912-5.09%
196017,919-613-3.31%
195018,532-115-0.62%
194018,647-775-3.99%
193019,42210.01%
192019,4213741.96%
191019,047-2,227-10.47%
190021,2741,6298.29%
189019,6452,70215.95%
188016,94311,479210.08%
18705,4643,852238.96%
18601,612-11,476-87.68%
2024 Growth Rate
-0.05% (-7)
County Website
Cass County
State
Iowa
County Seat
Atlantic
2020 Population
13,123
Area
564 mi²
Density
23 people/mi²
Growth Since 2020
0% (0)
Founded
1851

Population by Race

Race
Population
Percentage (of total)
White12,60696.12%
Two or more races2271.73%
Black or African American1120.85%
Other race660.5%
Asian450.34%
Native Hawaiian or Pacific Islander440.34%
Native American150.11%

White

Two or more races

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Cass County, Iowa Population by Race

Cass County, Iowa Population Pyramid 2024

Cass County, Iowa Median Age

44

Total

42.9

Male

45.2

Female

Cass County, Iowa Adults

There are 10,025 adults, (3,044 of whom are seniors) in Cass County, Iowa.

Cass County, Iowa Age Dependency

87.9

Age Dependency Ratio

43.6

Old Age Dependency Ratio

44.3

Child Dependency Ratio

Cass County, Iowa Sex Ratio

Female6,60750.38%
Male6,50849.62%

Cass County, Iowa Population by Age

Cass County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,7892.2272.327.7
Married2,8202.8689.510.5
Non Family2,3121.1555.844.2
Female5203.4152.747.3
Male1372.8270.129.9

2.83

Average Family Size

2.22

Average Household Size

72.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Cass County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5285.74%
Associates Degree9089.87%
Bachelors Degree1,46815.95%
Graduate Degree5175.62%
High School Graduate3,45037.48%
Less Than 9th Grade1151.25%
Some College2,21824.1%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Cass County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White8,8538,2461,944
Hispanic104936
2+ Races999010
Black84630
Other Race43370
Asian272725
Native American15150
Islander660

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

The highest rate of bachelors degrees is among asian people with a rate of 92.59%.

Cass County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$47,560$62,188$39,338
Graduate Degree$83,269$90,806$72,727
High School Graduate$39,063$47,885$26,275
Less Than 9th Grade$39,484$39,810$0
Overall$42,531$51,379$36,827
Some College$42,465$50,264$38,650

$42,531

Average Earnings

$51,379

Average Male

$36,827

Average Female

Cass County, Iowa Earnings by Educational Attainment

Cass County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Cass County, Iowa Language

98.44% of Cass County, Iowa residents speak only English, while 1.56% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.25% of the population.

Cass County, Iowa Language

Cass County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White12,1512,03616.76%
Hispanic3277623.24%
Black936468.82%
Multiple2205424.55%
Islander4444100%

17.44%

Overall Poverty Rate

14.42%

Male Poverty Rate

20.47%

Female Poverty Rate

Poverty in Cass County, Iowa

The race most likely to be in poverty in Cass County, Iowa is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Cass County, Iowa is White, with 16.76% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.4%. Among those working part-time, it was 18%, and for those that did not work, the poverty rate was 24.72%.

Cass County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade28.86%
High School16.54%
Some College12.86%
Bachelors or Greater5.83%

Cass County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed37.5%
Female Employed12.06%
Male Unemployed10.71%
Male Employed5.2%

Cass County, Iowa Poverty Rate by Employment Status and Sex

Cass County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$86,596$105,203
Households$61,657$82,873
Married Families$99,257$-999,999,999
Non Families$29,569$44,793

mean

median

Income by Household Type

Cass County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.9%

Overall Marriage Rate

56.6%

Male Marriage Rate

51.3%

Female Marriage Rate

Cass County, Iowa Married by Age and Sex

male

female

Cass County, Iowa Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Cass County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Cass County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

660

Number of Veterans

608

Male Veterans

52

Female Veterans

War
Veterans
Vietnam223
Second Gulf War126
First Gulf War117
Korea85
World War II0

Cass County, Iowa Veterans by War

count

Age Group
Veterans
75+246
65 to 74167
55 to 6498
18 to 3491
35 to 5458

Cass County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White6106.28%
Black3033.33%
Other Race1330.23%
2+ Races75.79%
Hispanic32.83%

Cass County, Iowa Veterans by Race

Cass County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.41%

Veteran Poverty Rate

32.96%

Veteran Disability Rate

Cass County, Iowa Veterans by Education

LaborForceParticipation

63.9%

Labor Force Participation

63.2%

Employment Rate

1.1%

Unemployment Rate

Cass County, Iowa Employment by Age

LaborForceParticipation

Cass County, Iowa Employment by Race

LaborForceParticipation

Cass County, Iowa 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

74.67%

Born in Cass County, Iowa

99.63%

Native Born

0.37%

Foreign Born

0.24%

Non Citizen

0.13%

Naturalized

Place of Birth

99.63% of Cass County, Iowa residents were born in the United States, with 74.67% having been born in Iowa. 0.24% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Cass County, Iowa Place of Birth

Sources