Musselshell County, Montana Age & Gender Distribution (2024)
Population distribution by age and gender for Musselshell County, Montana
Musselshell County, Montana Age & Gender Statistics (2024)
Total Population
5,152
Median Age
51.3
Male Median
48.9
Female Median
52.9
Musselshell County, Montana Population Growth

Musselshell County, Montana Demographic Trend
Since 2010, the population of has changed by +18.7%%.
+18.7%% Growth
Musselshell County, Montana Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Musselshell County, Montana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 51.3 | 5,152 |
| 2023 | 51.3 | 5,068 |
| 2022 | 52.0 | 4,924 |
| 2021 | 52.1 | 4,813 |
| 2020 | 51.5 | 4,682 |
| 2019 | 50.1 | 4,766 |
| 2018 | 48.0 | 4,807 |
| 2017 | 49.1 | 4,766 |
| 2016 | 48.5 | 4,778 |
| 2015 | 48.5 | 4,790 |
| 2014 | 48.9 | 4,760 |
| 2013 | 48.2 | 4,729 |
| 2012 | 48.2 | 4,597 |
| 2011 | 49.3 | 4,426 |
| 2010 | 49.5 | 4,339 |
Musselshell County, Montana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.2% |
| 5–17 | 15.2% |
| 18–24 | 6.3% |
| 25–34 | 7.4% |
| 35–54 | 22.5% |
| 55–64 | 15.5% |
| 65+ | 29.0% |
Dependency Ratios for Musselshell County, Montana
- Total Dependency Ratio:
- 93.7
- Youth Dependency:
- 37.5
- Old-Age Dependency:
- 56.2
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Musselshell County, Montana
The median age in Musselshell County, Montana is 51.3 years.
According to latest Census data, the total population of Musselshell County, Montana is 5,152.
In Musselshell County, Montana, seniors (ages 65+) make up 29.0% of the population, while children under 18 represent 15.2%.
Based on historical data since 2010, the population in Musselshell County, Montana is aging.