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

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

Musselshell County, Montana Demographic Trend

Since 2010, the population of has changed by +18.7%%.

+18.7%% Growth

Musselshell County, Montana Age & Gender Pyramid

Population pyramid for

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


Musselshell County, Montana Historical Population Data

YearMedian AgePopulation
202451.35,152
202351.35,068
202252.04,924
202152.14,813
202051.54,682
201950.14,766
201848.04,807
201749.14,766
201648.54,778
201548.54,790
201448.94,760
201348.24,729
201248.24,597
201149.34,426
201049.54,339

Musselshell County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 54.2%
5–1715.2%
18–246.3%
25–347.4%
35–5422.5%
55–6415.5%
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.
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