Big Horn County, Montana Age & Gender Distribution (2024)
Population distribution by age and gender for Big Horn County, Montana
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

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

Figure 2: Population distribution by age and gender for 2024.
Big Horn County, Montana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 31.9 | 12,891 |
| 2023 | 32.3 | 12,963 |
| 2022 | 31.6 | 13,090 |
| 2021 | 31.3 | 13,198 |
| 2020 | 31.4 | 13,302 |
| 2019 | 30.7 | 13,387 |
| 2018 | 30.8 | 13,376 |
| 2017 | 29.9 | 13,290 |
| 2016 | 30.0 | 13,214 |
| 2015 | 29.8 | 13,141 |
| 2014 | 29.7 | 13,079 |
| 2013 | 29.6 | 12,939 |
| 2012 | 30.1 | 12,872 |
| 2011 | 30.1 | 12,776 |
| 2010 | 31.0 | 12,663 |
Big Horn County, Montana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.1% |
| 5–17 | 24.2% |
| 18–24 | 10.6% |
| 25–34 | 11.3% |
| 35–54 | 20.9% |
| 55–64 | 11.8% |
| 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.