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County · Montana

Petroleum County

525Population
5.6 %Change since 2020
29Net migration
4.5 %Unemployment rate

Facts

Population
525 (2024)
Change since 2020
5.6 %
Net migration
29 (2023)
Unemployment rate
4.5 % (2025)
State
Montana
Population base, April 2020
497 (2020)
Births
2 (2023)
Births per 1,000 residents, 2023
3.8
Deaths
8 (2023)
Deaths per 1,000 residents, 2023
15.2
Natural change, 2023
-6
International migration
0 (2023)
Domestic migration
29 (2023)
Net migration per 1,000, 2023
55.2
Postal code
MT
FIPS code
30069

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

Unemployment rate, annual average

199020254.52.3
PeriodValue
20254.5 %
20243.8 %
20233.8 %
20223.6 %
20213.5 %
20204.4 %
20194.2 %
20184.9 %
20175.4 %
20165.8 %
20155.3 %
20144.2 %

Population estimates, 2020–2024

20202024525502
PeriodValue
2024525
2023543
2022520
2021520
2020502