Population in Montana 13 indicators covering population for Montana. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.73 Number 2100 down 0.0% 582nd Demographic balances and indicators by type of projection and NUTS 3 r 757 2100 down 6.2% 1103rd Live births (total) by NUTS 3 region 870 Number 2024 down 26.7% 1697th Population density by NUTS 3 region 31.8 Persons per square kilometre 2024 down 19.9% 1719th Population on 1 January by broad age group, sex and NUTS 3 region 112,737 Number 2025 down 17.7% 1757th Population change - Demographic balance and crude rates at regional le -219 2024 up 80.1% 1682nd Population on 1st January by age group, sex, type of projection and NU 64,763 Person 2100 down 0.9% 1046th Population structure indicators by type of projection and NUTS3 region 81.1 2100 up 1.5% 918th Assumptions for total fertility rates, type of projection and NUTS 3 r 1.75 Number 2095 down 1.2% 24th Projected life expectancy at birth, by sex, type of projection and NUT 84.6 Year 2095 up 2.7% 1162nd Demographic balances by type of projection and NUTS3 region 4,020 2095 down 6.9% 1057th Population on 1 January by age group, sex and NUTS 3 region 112,737 Number 2025 down 17.7% 1756th Live births by age group of the mothers and NUTS 3 region 870 Number 2024 down 26.7% 1697th