Cass County, North Dakota Age & Gender Statistics (2024)

Total Population

193,400

Median Age

32.8

Male Median

33.0

Female Median

32.6

Cass County, North Dakota Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Cass County, North Dakota Demographic Trend

Since 2010, the population of has changed by +33.9%%.

+33.9%% Growth

Cass County, North Dakota Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Cass County, North Dakota Historical Population Data

YearMedian AgePopulation
202432.8193,400
202332.9189,286
202232.7186,328
202132.9182,992
202032.6179,937
201932.5176,975
201832.2174,202
201732.2170,620
201632.0166,852
201531.9162,500
201431.8158,041
201331.7154,080
201231.7150,240
201131.5147,222
201031.4144,410

Cass County, North Dakota Age Group Breakdown (2024)

Age CohortPercentage
Under 56.3%
5–1715.9%
18–2414.7%
25–3416.5%
35–5424.0%
55–649.6%
65+13.0%

Dependency Ratios for Cass County, North Dakota

Total Dependency Ratio:
54.3
Youth Dependency:
34.2
Old-Age Dependency:
20.1

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Cass County, North Dakota

The median age in Cass County, North Dakota is 32.8 years.

According to latest Census data, the total population of Cass County, North Dakota is 193,400.

In Cass County, North Dakota, seniors (ages 65+) make up 13.0% of the population, while children under 18 represent 15.9%.

Based on historical data since 2010, the population in Cass County, North Dakota has remained stable.
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