Yellowstone County, Montana: population and components of change
Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.
| Item | Value | As reported |
|---|---|---|
| County | Yellowstone County | Yellowstone County |
| State | Montana | Montana |
| State FIPS code | 30 | 30 |
| County FIPS code | 111 | 111 |
| Census region (code) | 4 | 4 |
| Census division (code) | 8 | 8 |
| Estimates base, April 1, 2020 | 164,722 | 164722 |
| Resident population, July 1, 2020 | 165,210 | 165210 |
| Resident population, July 1, 2021 | 167,448 | 167448 |
| Resident population, July 1, 2022 | 169,817 | 169817 |
| Resident population, July 1, 2023 | 170,727 | 170727 |
| Resident population, July 1, 2024 | 171,583 | 171583 |
| Numeric population change, 2023 to 2024 | 856 | 856 |
| Births, year to July 1, 2024 | 1,844 | 1844 |
| Deaths, year to July 1, 2024 | 1,669 | 1669 |
| Natural change (births minus deaths), year to July 1, 2024 | 175 | 175 |
| International migration, year to July 1, 2024 | 61 | 61 |
| Domestic migration, year to July 1, 2024 | 613 | 613 |
| Residual, year to July 1, 2024 | 7 | 7 |
| Birth rate per 1,000 population, year to July 1, 2024 | 10.7739 | 10.773859952 |
| Death rate per 1,000 population, year to July 1, 2024 | 9.7514 | 9.7513949344 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 1.0225 | 1.0224650171 |
| International migration rate per 1,000 population, year to July 1, 2024 | 0.3564 | 0.3564020917 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 3.5815 | 3.5815488884 |
| Group quarters population, July 1, 2024 | 3,912 | 3912 |
Values as reported by the source: county_name=Yellowstone County, state_name=Montana, state_fips=30, county_fips=111, region=4, division=8, estimates_base_2020=164722, pop_2020=165210, pop_2021=167448, pop_2022=169817, pop_2023=170727, pop_2024=171583, npopchg_2024=856, births_2024=1844, deaths_2024=1669, naturalchg_2024=175, internationalmig_2024=61, domesticmig_2024=613, residual_2024=7, rbirth_2024=10.773859952, rdeath_2024=9.7513949344, rnaturalchg_2024=1.0224650171, rinternationalmig_2024=0.3564020917, rdomesticmig_2024=3.5815488884, gq_estimates_2024=3912