Fallon County, Montana Age & Gender Statistics (2024)

Total Population

2,760

Median Age

37.5

Male Median

35.3

Female Median

42.2

Fallon County, Montana Population Growth

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

Fallon County, Montana Demographic Trend

Since 2010, the population of has changed by -1.9%%.

-1.9%% Growth

Fallon County, Montana Age & Gender Pyramid

Population pyramid for

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


Fallon County, Montana Historical Population Data

YearMedian AgePopulation
202437.52,760
202337.22,817
202237.22,941
202135.13,074
202035.32,975
201939.32,921
201839.32,838
201738.12,925
201638.32,913
201539.03,057
201439.83,028
201339.03,085
201240.83,051
201143.02,861
201043.52,813

Fallon County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 56.9%
5–1716.8%
18–248.9%
25–3414.1%
35–5420.1%
55–6411.0%
65+22.2%

Dependency Ratios for Fallon County, Montana

Total Dependency Ratio:
84.9
Youth Dependency:
43.7
Old-Age Dependency:
41.1

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



Age & Gender FAQs for Fallon County, Montana

The median age in Fallon County, Montana is 37.5 years.

According to latest Census data, the total population of Fallon County, Montana is 2,760.

In Fallon County, Montana, seniors (ages 65+) make up 22.2% of the population, while children under 18 represent 16.8%.

Based on historical data since 2010, the population in Fallon County, Montana is becoming younger.
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