Cass County, IA demographics:
population, income, and more

Total population
13,096
-0.1% year-over-year change
Median household income
$63,013/yr
2.2% year-over-year change
Housing units
6,393
-0.1% year-over-year change

Cass County population

How many people live in Cass County

Cass County is home to 13,096 residents, according to the most recent Census data. Gender-wise, 49.3% of Cass County locals are male, and 50.7% are female.

Total population
13,096
-0.1% year-over-year change
Gender ratio
Male
49.3%
6,457
Female
50.7%
6,639
Value Percent YoY change
Male 6,457 49.3% -0.8%
Female 6,639 50.7% 0.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Cass County is 44, with the population distributed as follows: about 18.1% are children under 15, then 11.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 22% of the population, while another 25% fall into the 45 to 64 bracket. Finally, around 23.4% are 65 or older.

Median age
43.5
Age breakdown
Under 15
18.1%
15 to 24
11.4%
25 to 44
22%
45 to 64
25%
Over 65
23.4%
Value Percent YoY change
Under 15 2,374 18.1% -1.4%
15 to 24 1,498 11.4% -0.3%
25 to 44 2,886 22% 2.4%
45 to 64 3,277 25% -1.9%
Over 65 3,061 23.4% 0.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Cass County, 98.8% of the population are US-born citizens, while 0.4% have gained naturalized citizenship. At the same time, 0.7% of residents are non-citizens. As for race, 94.6% of locals are Caucasian, 0.9% are African American and 0.5% have Asian roots. Another 0.3% are Indigenous American, 0.4% are Pacific Islanders, while 0.9% identify as another race. There’s also a share of 2.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.8%
Non-U.S.-born citizens
0.4%
Non-citizens
0.7%
Value Percent YoY change
U.S.-born citizens 12,946 98.8% -0.6%
Non-U.S.-born citizens 53 0.4% -7.0%
Non-citizens 97 0.7% 203.1%
Racial breakdown
White
94.6%
Black or African American
0.9%
American Indian and Alaska Native
0.3%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0.4%
Two or more races
2.4%
Other
0.9%
Value Percent
White 12,384 94.6%
Black or African American 118 0.9%
American Indian and Alaska Native 43 0.3%
Asian 68 0.5%
Native Hawaiian and other Pacific Islander 54 0.4%
Two or more races 308 2.4%
Other 121 0.9%

Households in Cass County

A peek inside Cass County households

Cass County has 5,844 households, with an average of 2 members in each. Of these, 58.6% are families, while the remaining 41.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,844
0.9% year-over-year change
Average people per household
2
Non-family households
2,420
Family households
3,424
Value Percent YoY change
Non-family households 2,420 41.4% 4.7%
Family households 3,424 58.6% -1.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Cass County

The housing landscape of Cass County

Cass County's housing consists of 6,393 units, with 81.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.4% of the housing landscape.

Housing units
6,393
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 5,225 81.7%
1 unit, attached 57 0.9%
2 units 188 2.9%
3 or 4 units 232 3.6%
5 to 9 units 178 2.8%
10 to 19 units 81 1.3%
20 to 49 units 189 3%
50 or more units 92 1.4%
Mobile home 150 2.4%
Boat, RV, van, etc. 1 0%
Homes built since 2020
58
383.3% year-over-year change

The age of buildings in Cass County

In Cass County, the median construction year is 1956. About 38.1% of homes were built before the 1940s, with another 5% going up by 1949. Most development happened in the second half of the 20th century. Then, 4.8% of homes were added from 2000 to 2009, 3% between 2010 and 2019, and 0.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,435 38.1% -5.0%
Built between 1940 and 1949 317 5% -5.1%
Built between 1950 and 1959 754 11.8% -5.4%
Built between 1960 and 1969 794 12.4% 10.4%
Built between 1970 and 1979 753 11.8% 0.3%
Built between 1980 and 1989 498 7.8% 8.7%
Built between 1990 and 1999 283 4.4% -25.7%
Built between 2000 and 2009 308 4.8% 23.2%
Built between 2010 and 2019 193 3% 45.1%
Built in 2020 or later 58 0.9% 383.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Cass County occupancy rates

Out of the 5,844 occupied housing units in Cass County, 71.6% are owner-occupied, while 28.4% are lived in by tenants. Meanwhile, 8.6% of all homes on the local market sit vacant.

Occupied housing units
5,844
0.9% year-over-year change
Occupancy breakdown
Renter occupied
1,662
Owner occupied
4,182
Value Percent YoY
change
Renter occupied 1,662 28.4% 3.5%
Owner occupied 4,182 71.6% -0.1%
Unoccupied housing units
8.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Cass County housing costs

Housing costs in Cass County come to a median of $810 per month, while tenants specifically pay a median gross rent of $777.

Median housing costs per month
$810/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Cass County
$777/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Cass County

Cass County education at a glance

About 44% of the population in Cass County went to high school, while 23.4% pursued college studies. Another 10% earned an associate degree and 16.4% hold a bachelor’s. Meanwhile, 4.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 154 1.5% -16.8%
High school diploma 4,424 44% 0.2%
College diploma 2,357 23.4% -4.2%
Associate degree 1,005 10% 6.7%
Bachelor's degree 1,645 16.4% 9.2%
Graduate degree 476 4.7% -7.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Cass County

How much people earn in Cass County

The average annual household income in Cass County was $84,546 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2% change from the previous year. At the same time, the median income stood at $63,013, reflecting a +2.2% shift over the same period.

Average household income in Cass County
$84,546/year
2.0% year-over-year change
Median household income in Cass County
$63,013/year
2.2% year-over-year change

Cass County income by age

In Cass County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $78,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $72,286 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $41,667, while those led by someone over 65, many of whom may be retired, have about $47,609 in earnings. Overall, 85.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $41,667 N/A
25 - 44 $78,750 1.8%
45 - 64 $72,286 3.5%
Over 65 $47,609 -3.2%
Above poverty level
10,972
Below poverty level
1,826
Value Percent YoY
change
Above poverty level 10,972 85.7% 3.8%
Below poverty level 1,826 14.3% -18.0%

Employment in Cass County

Workforce and job types in Cass County

The job market in Cass County is powered by 6,606 working residents, spread across a range of industries and roles. 69% of the working population are employed in professional or administrative positions, while 31% are in hands-on or service-based jobs. Also, 13.5% run their own businesses, 63.7% are employed by private companies, and 15.5% work in the public sector.

Workforce demographics

Working population
6,606
-0.4% year-over-year change
White collar
4,560
Blue collar
2,046
Value Percent YoY change
White collar 4,560 69% -2.9%
Blue collar 2,046 31% 5.8%
Employer type
Self employees
13.5%
Private companies
63.7%
Governmental workers
15.5%
Not for profit companies
7.3%
Value Percent YoY change
Self employees 891 13.5% -2.4%
Private companies 4,207 63.7% 2.3%
Governmental workers 1,023 15.5% -9.9%
Not for profit companies 485 7.3% 3.4%
Unemployment rate
1.4%
23.7% year-over-year change

Available workforce

The unemployment rate in Cass County stands at 1.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Cass County

How people get around in Cass County

Commuting methods vary: 84.6% of residents travel by personal vehicle and 3.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 5,538 84.6% -0.8%
Taxicab 51 0.8% 537.5%
Bus or trolleybus 5 0.1% 0.0%
Motorcycle 18 0.3% 38.5%
Bicycle 2 0% -83.3%
Walk 251 3.8% -10.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Cass County by zipcode?

Zipcode Population Number of households Median income Average income
50020 1,197 509 $75,417 $91,057
50022 8,526 3,798 $63,125 $86,009
50274 234 122 $71,667 $72,691
51535 1,697 740 $76,371 $97,704
51544 793 321 $48,313 $65,914
50837 282 136 $63,000 $93,213
50843 540 229 $56,125 $67,246
50853 716 313 $65,208 $89,770
51552 169 84 $90,000 $83,251

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FAQs about Cass County demographics 

What is the total population of Cass County?

Cass County has a total population of 13,096 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.1% compared to a year ago.

What is the gender ratio in Cass County?

The gender ratio in Cass County is as follows:
  • 49.3% males (6,457 residents)
  • 50.7% females (6,639 residents)

What is the median age in Cass County?

The median age in Cass County is 43.5.

What is the age distribution of the population in Cass County?

The age distribution in Cass County is as follows:
  • Under 15: 18.1% (2,374 residents)
  • Ages 15-24: 11.4% (1,498 residents)
  • Ages 25-44: 22% (2,886 residents)
  • Ages 45-64: 25% (3,277 residents)
  • Over 65: 23.4% (3,061 residents)

What is the racial and ethnic makeup of Cass County?

The racial and ethnic makeup of Cass County is as follows:
  • White: 94.6% (12,384 residents)
  • Black or African American: 0.9% (118 residents)
  • American Indian and Alaska Native: 0.3% (43 residents)
  • Asian: 0.5% (68 residents)
  • Native Hawaiian and Other Pacific Islander: 0.4% (54 residents)
  • Two or More Races: 2.4% (308 residents)
  • Other: 0.9% (121 residents)

What percentage of the population in Cass County are U.S.-born citizens?

U.S.-born citizens represent 98.8% of the population in Cass County.

How many housing units are there in Cass County?

There are 6,393 housing units in Cass County, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Cass County and what is the average household size?

Cass County has a total of 5,844 households, with an average of 2 people in each.

What is the median household income in Cass County?

Cass County has a median household income of $63,013, representing a +2.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Cass County?

The employment rate is 98.6% in Cass County, with a workforce of 6,606 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 69% (4,560 residents)
  • Blue-collar workers: 31% (2,046 residents)

Places of employment:
  • Self-employed: 13.5% (891 residents)
  • Private companies: 63.7% (4,207 residents)
  • Governmental workers: 15.5% (1,023 residents)
  • Not-for-profit companies: 7.3% (485 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025