# Cities in Montana by median age, 2024

All 8 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `median_age`
- Unit: years
- Definition: Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span. Canada: on 1 July, Statistics Canada population estimates.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more) (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/median-age/montana-cities

| Rank | Place | years |
|---:|---|---:|
| 1 | Butte, MT | 40.6 |
| 2 | Helena, MT | 40.5 |
| 3 | Great Falls, MT | 39 |
| 4 | Billings, MT | 38.8 |
| 5 | Kalispell, MT | 36.2 |
| 6 | Missoula, MT | 34.7 |
| 7 | Belgrade, MT | 33.3 |
| 8 | Bozeman, MT | 28.9 |