Carter County, Montana Age & Gender Statistics (2024)

Total Population

1,308

Median Age

56.9

Male Median

58.3

Female Median

56.6

Carter County, Montana Population Growth

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

Carter County, Montana Demographic Trend

Since 2010, the population of has changed by +1.5%%.

+1.5%% Growth

Carter County, Montana Age & Gender Pyramid

Population pyramid for

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


Carter County, Montana Historical Population Data

YearMedian AgePopulation
202456.91,308
202356.71,361
202256.81,332
202156.21,349
202053.31,305
201947.81,331
201850.51,318
201751.61,320
201651.01,295
201550.81,227
201449.71,205
201350.81,241
201251.51,276
201150.31,266
201051.01,289

Carter County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 56.6%
5–1711.1%
18–246.2%
25–347.7%
35–5415.5%
55–6421.8%
65+31.1%

Dependency Ratios for Carter County, Montana

Total Dependency Ratio:
95.2
Youth Dependency:
34.5
Old-Age Dependency:
60.7

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



Age & Gender FAQs for Carter County, Montana

The median age in Carter County, Montana is 56.9 years.

According to latest Census data, the total population of Carter County, Montana is 1,308.

In Carter County, Montana, seniors (ages 65+) make up 31.1% of the population, while children under 18 represent 11.1%.

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