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County · Montana

Big Horn County

12,796Population
-2.5 %Change since 2020
-69Net migration
5.8 %Unemployment rate

Facts

Population
12,796 (2024)
Change since 2020
-2.5 %
Net migration
-69 (2023)
Unemployment rate
5.8 % (2025)
State
Montana
Population base, April 2020
13,125 (2020)
Births
191 (2023)
Births per 1,000 residents, 2023
14.9
Deaths
153 (2023)
Deaths per 1,000 residents, 2023
12.0
Natural change, 2023
38
International migration
-2 (2023)
Domestic migration
-67 (2023)
Net migration per 1,000, 2023
-5.4
Postal code
MT
FIPS code
30003

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020255.813.7
PeriodValue
20255.8 %
20244.5 %
20234.0 %
20224.4 %
20217.5 %
20207.2 %
20197.3 %
20189.5 %
201713.5 %
20167.4 %
20156.8 %
20149.9 %

Population estimates, 2020–2024

2020202412.8K13.1K
PeriodValue
202412,796
202312,825
202212,858
202112,894
202013,083