Flathead County, Montana Age & Gender Distribution (2024)
Population distribution by age and gender for Flathead County, Montana
Flathead County, Montana Age & Gender Statistics (2024)
Total Population
110,695
Median Age
42.2
Male Median
41.5
Female Median
43.0
Flathead County, Montana Population Growth
Flathead County, Montana Demographic Trend
Since 2010, the population of has changed by +24.1%%.
+24.1%% Growth
Flathead County, Montana Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Flathead County, Montana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.2 | 110,695 |
| 2023 | 42.1 | 108,445 |
| 2022 | 42.3 | 105,950 |
| 2021 | 42.3 | 103,400 |
| 2020 | 42.2 | 102,001 |
| 2019 | 42.2 | 99,899 |
| 2018 | 42.1 | 98,082 |
| 2017 | 42.3 | 96,147 |
| 2016 | 42.1 | 94,696 |
| 2015 | 42.1 | 93,333 |
| 2014 | 41.9 | 92,373 |
| 2013 | 41.7 | 91,536 |
| 2012 | 41.2 | 90,967 |
| 2011 | 41.0 | 90,317 |
| 2010 | 40.5 | 89,215 |
Flathead County, Montana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.3% |
| 5–17 | 16.3% |
| 18–24 | 6.6% |
| 25–34 | 12.2% |
| 35–54 | 25.0% |
| 55–64 | 13.4% |
| 65+ | 21.1% |
Dependency Ratios for Flathead County, Montana
- Total Dependency Ratio:
- 74.6
- Youth Dependency:
- 37.8
- Old-Age Dependency:
- 36.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Flathead County, Montana
The median age in Flathead County, Montana is 42.2 years.
According to latest Census data, the total population of Flathead County, Montana is 110,695.
In Flathead County, Montana, seniors (ages 65+) make up 21.1% of the population, while children under 18 represent 16.3%.
Based on historical data since 2010, the population in Flathead County, Montana is aging.