Cass County, Iowa Demographics 2026

Name: Cass County, Iowa Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Cass County, Iowa has a population of 13,096, the 58th most populous county in Iowa. The median household income is $63,013 and the median home value is $150,300. The poverty rate is 14.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Cass County Quick Facts

Population 13,096

Median Household Income $63,013

Median Home Value $150,300

Poverty Rate 14.2%

Unemployment Rate 1.4%

Median Age 43.5 years

Homeownership Rate 71.6%

Affordability Ratio 2.4x

Bachelor's Degree+ 22.1%

High School Graduation 94.5%

Cities/Places 8

Population 13,096 58th of 99

Median Income $63,013 16% lower than state

Poverty Rate 14.2%

Unemployment 1.4%

How Cass County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	13,115	13,096	-0.1%
Median household income	$61,657	$63,013	+2.2%
Median home value	$133,300	$150,300	+12.8%

Median Household Income

Cass

$63,013

$75,059

National

$80,734

Median Home Value

Cass

$150,300

$208,000

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 19.6%

$25K-$50K 20.5%

$50K-$100K 28.2%

$100K+ 31.6%

Detailed income brackets

Under $10K

5.6%

$10K-$15K

4.2%

$15K-$20K

5.8%

$20K-$25K

4.0%

$25K-$30K

6.3%

$30K-$35K

3.4%

$35K-$40K

5.1%

$40K-$45K

3.0%

$45K-$50K

2.6%

$50K-$60K

6.8%

$60K-$75K

10.6%

$75K-$100K

10.9%

$100K-$125K

13.0%

$125K-$150K

7.3%

$150K-$200K

5.5%

$200K+

5.8%

Employment

1.4% Unemployment Rate State: 3.6%|National: 5.2%

63.5% Labor Force Participation

Housing Overview

Owner 71.6%

Renter 28.4%

Affordability Index Very Affordable

2.4x home value to income ratio

Median gross rent $777/mo 14.8% of median household income annually

People & Demographics

Age Distribution

Under 18

23.2%

18-34

16.8%

35-54

22.4%

55-74

27.3%

75+

10.3%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 31 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Cass County

City	Population	Median Income	Poverty	Home Value
Atlantic	6,763	$61,141	17.3%	$149,900
Griswold	975	$55,000	13.3%	$98,900
Anita	957	$66,307	16.1%	$134,400
Lewis	461	$36,691	13.9%	$49,900
Massena	383	$61,827	14.4%	$101,000
Cumberland	302	$47,083	18.9%	$62,900
Marne	98	$61,875	5.1%	$98,800
Wiota	78	$78,077	6.4%	$121,900

Explore Iowa Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Cass County is located in Iowa with a total population of 13,096. It is the 58th most populous county out of 99 in Iowa. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Cass County is 43.5 years. This is 13% higher than the state median of 38.6 years. 10.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Cass County is $63,013. This is 16% lower than the state median of $75,059. It is also 22% lower than the national median of $80,734. The poverty rate stands at 14.2%. This is 29% higher than the state poverty rate of 11.1%. The unemployment rate is 1.4%. This is 61% lower than the state rate of 3.6%. The median home value is $150,300. Housing costs are 28% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.4x, Cass County is one of the most affordable housing markets in the area. 71.6% of occupied housing units are owner-occupied.

Race & Ethnicity

Cass County has a predominantly White (non-Hispanic) population, comprising 93.5% of all residents. Hispanic or Latino residents account for 2.7%. The Black or African American population (0.9%) is well below the state average of 3.8%. The Hispanic or Latino population (2.7%) is well below the state average of 7.3%. The Asian population (0.5%) is well below the state average of 2.5%.

Education

22.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%.

Data Sources & Methodology

All figures for Cass County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Iowa and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Cass County, Iowa?

Cass County has a population of 13,096, making it the 58th most populous county in Iowa.

What is the median income in Cass County?

The median household income in Cass County is $63,013 with a poverty rate of 14.2%.

How many cities are in Cass County, Iowa?

Cass County contains 8 Census-designated places.