Big Horn County, Montana Age & Gender Statistics (2024)

Total Population

12,891

Median Age

31.9

Male Median

31.2

Female Median

32.9

Big Horn County, Montana Population Growth

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

Big Horn County, Montana Demographic Trend

Since 2010, the population of has changed by +1.8%%.

+1.8%% Growth

Big Horn County, Montana Age & Gender Pyramid

Population pyramid for

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


Big Horn County, Montana Historical Population Data

YearMedian AgePopulation
202431.912,891
202332.312,963
202231.613,090
202131.313,198
202031.413,302
201930.713,387
201830.813,376
201729.913,290
201630.013,214
201529.813,141
201429.713,079
201329.612,939
201230.112,872
201130.112,776
201031.012,663

Big Horn County, Montana Age Group Breakdown (2024)

Age CohortPercentage
Under 57.1%
5–1724.2%
18–2410.6%
25–3411.3%
35–5420.9%
55–6411.8%
65+14.1%

Dependency Ratios for Big Horn County, Montana

Total Dependency Ratio:
83.2
Youth Dependency:
57.4
Old-Age Dependency:
25.8

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



Age & Gender FAQs for Big Horn County, Montana

The median age in Big Horn County, Montana is 31.9 years.

According to latest Census data, the total population of Big Horn County, Montana is 12,891.

In Big Horn County, Montana, seniors (ages 65+) make up 14.1% of the population, while children under 18 represent 24.2%.

Based on historical data since 2010, the population in Big Horn County, Montana has remained stable.
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