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Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024 — figures cover the April 1, 2020 estimates base through July 1, 2024
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U.S. Census Bureau · Vintage 2024

Custer 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.

Values are printed as the U.S. Census Bureau reports them. A blank source value is printed as “not available”.
Custer County
ItemValueAs reported
CountyCuster CountyCuster County
StateMontanaMontana
State FIPS code3030
County FIPS code017017
Census region (code)44
Census division (code)88
Estimates base, April 1, 202011,86611866
Resident population, July 1, 202011,86311863
Resident population, July 1, 202111,96111961
Resident population, July 1, 202212,00512005
Resident population, July 1, 202312,01312013
Resident population, July 1, 202411,96411964
Numeric population change, 2023 to 2024-49-49
Births, year to July 1, 2024139139
Deaths, year to July 1, 2024149149
Natural change (births minus deaths), year to July 1, 2024-10-10
International migration, year to July 1, 202422
Domestic migration, year to July 1, 2024-41-41
Residual, year to July 1, 202400
Birth rate per 1,000 population, year to July 1, 202411.594411.594444676
Death rate per 1,000 population, year to July 1, 202412.428612.428577387
Natural change rate per 1,000 population, year to July 1, 2024-0.8341-0.834132711
International migration rate per 1,000 population, year to July 1, 20240.16680.1668265421
Domestic migration rate per 1,000 population, year to July 1, 2024-3.4199-3.419944113
Group quarters population, July 1, 2024479479

Values as reported by the source: county_name=Custer County, state_name=Montana, state_fips=30, county_fips=017, region=4, division=8, estimates_base_2020=11866, pop_2020=11863, pop_2021=11961, pop_2022=12005, pop_2023=12013, pop_2024=11964, npopchg_2024=-49, births_2024=139, deaths_2024=149, naturalchg_2024=-10, internationalmig_2024=2, domesticmig_2024=-41, residual_2024=0, rbirth_2024=11.594444676, rdeath_2024=12.428577387, rnaturalchg_2024=-0.834132711, rinternationalmig_2024=0.1668265421, rdomesticmig_2024=-3.419944113, gq_estimates_2024=479