Petroleum County, Montana Age & Gender Distribution (2024)
Population distribution by age and gender for Petroleum County, Montana
Petroleum County, Montana Age & Gender Statistics (2024)
Total Population
447
Median Age
51.6
Male Median
49.8
Female Median
51.9
Petroleum County, Montana Population Growth
Petroleum County, Montana Demographic Trend
Since 2010, the population of has changed by -25.3%%.
-25.3%% Growth
Petroleum County, Montana Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Petroleum County, Montana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 51.6 | 447 |
| 2023 | 51.5 | 401 |
| 2022 | 49.6 | 416 |
| 2021 | 50.0 | 434 |
| 2020 | 49.6 | 464 |
| 2019 | 51.8 | 453 |
| 2018 | 52.1 | 432 |
| 2017 | 51.7 | 453 |
| 2016 | 50.4 | 445 |
| 2015 | 48.9 | 443 |
| 2014 | 48.3 | 489 |
| 2013 | 48.2 | 538 |
| 2012 | 47.6 | 566 |
| 2011 | 45.7 | 568 |
| 2010 | 41.6 | 598 |
Petroleum County, Montana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 2.9% |
| 5–17 | 11.9% |
| 18–24 | 5.4% |
| 25–34 | 3.6% |
| 35–54 | 31.1% |
| 55–64 | 17.0% |
| 65+ | 28.2% |
Dependency Ratios for Petroleum County, Montana
- Total Dependency Ratio:
- 75.3
- Youth Dependency:
- 25.9
- Old-Age Dependency:
- 49.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Petroleum County, Montana
The median age in Petroleum County, Montana is 51.6 years.
According to latest Census data, the total population of Petroleum County, Montana is 447.
In Petroleum County, Montana, seniors (ages 65+) make up 28.2% of the population, while children under 18 represent 11.9%.
Based on historical data since 2010, the population in Petroleum County, Montana is aging.