Carbon County, Montana Age & Gender Statistics (2024)

Total Population

11,116

Median Age

50.4

Male Median

50.6

Female Median

50.3

Carbon County, Montana Population Growth

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

Carbon County, Montana Demographic Trend

Since 2010, the population of has changed by +11.2%%.

+11.2%% Growth

Carbon County, Montana Age & Gender Pyramid

Population pyramid for

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


Carbon County, Montana Historical Population Data

YearMedian AgePopulation
202450.411,116
202350.510,877
202250.710,645
202150.710,488
202051.110,689
201950.510,597
201850.310,546
201750.010,466
201649.610,340
201549.110,268
201449.010,189
201348.710,126
201248.010,057
201147.510,016
201046.79,994

Carbon County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 53.8%
5–1713.4%
18–245.6%
25–348.8%
35–5424.2%
55–6416.1%
65+28.0%

Dependency Ratios for Carbon County, Montana

Total Dependency Ratio:
82.5
Youth Dependency:
31.3
Old-Age Dependency:
51.2

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



Age & Gender FAQs for Carbon County, Montana

The median age in Carbon County, Montana is 50.4 years.

According to latest Census data, the total population of Carbon County, Montana is 11,116.

In Carbon County, Montana, seniors (ages 65+) make up 28.0% of the population, while children under 18 represent 13.4%.

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