Sweet Grass County, Montana Age & Gender Statistics (2024)

Total Population

3,720

Median Age

47.0

Male Median

46.8

Female Median

47.6

Sweet Grass County, Montana Population Growth

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

Sweet Grass County, Montana Demographic Trend

Since 2010, the population of has changed by +0.1%%.

+0.1%% Growth

Sweet Grass County, Montana Age & Gender Pyramid

Population pyramid for

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


Sweet Grass County, Montana Historical Population Data

YearMedian AgePopulation
202447.03,720
202344.03,713
202243.63,697
202145.43,690
202046.83,676
201952.03,670
201851.53,653
201750.13,646
201648.13,634
201546.13,633
201444.43,622
201344.73,640
201243.13,661
201148.23,702
201045.43,717

Sweet Grass County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 54.7%
5–1715.4%
18–247.4%
25–348.7%
35–5423.1%
55–6415.0%
65+25.8%

Dependency Ratios for Sweet Grass County, Montana

Total Dependency Ratio:
84.6
Youth Dependency:
37.0
Old-Age Dependency:
47.6

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



Age & Gender FAQs for Sweet Grass County, Montana

The median age in Sweet Grass County, Montana is 47.0 years.

According to latest Census data, the total population of Sweet Grass County, Montana is 3,720.

In Sweet Grass County, Montana, seniors (ages 65+) make up 25.8% of the population, while children under 18 represent 15.4%.

Based on historical data since 2010, the population in Sweet Grass County, Montana is aging.
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