Cass County, North Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Cass County, North Dakota
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

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

Figure 2: Population distribution by age and gender for 2024.
Cass County, North Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 32.8 | 193,400 |
| 2023 | 32.9 | 189,286 |
| 2022 | 32.7 | 186,328 |
| 2021 | 32.9 | 182,992 |
| 2020 | 32.6 | 179,937 |
| 2019 | 32.5 | 176,975 |
| 2018 | 32.2 | 174,202 |
| 2017 | 32.2 | 170,620 |
| 2016 | 32.0 | 166,852 |
| 2015 | 31.9 | 162,500 |
| 2014 | 31.8 | 158,041 |
| 2013 | 31.7 | 154,080 |
| 2012 | 31.7 | 150,240 |
| 2011 | 31.5 | 147,222 |
| 2010 | 31.4 | 144,410 |
Cass County, North Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.3% |
| 5–17 | 15.9% |
| 18–24 | 14.7% |
| 25–34 | 16.5% |
| 35–54 | 24.0% |
| 55–64 | 9.6% |
| 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.