County profile
Petroleum County, MT
United States · GDP 2024
#3114 of 3,127 US counties by GDP63rd-percentile growth
EA Place Score
——methodology in progress
GDP 2024 (USD)
$22.7M
BEA · 2024
GDP growth (YoY)
+5.5%
BEA · 2024
Jobs tracked
24
Census CBP · 2023
Employers
11
Census CBP · 2023
Avg. wage
$34.2k
BLS QCEW · 2023
Population
548
Census PEP · 2025
Labor, income & education
Unemployment
3.9%
Median HH income
$60.2k±$16.7k
Bachelor's degree+
30.8%±8.7%
Poverty rate
8.1%±3.6%
Business applications
17 · 2025
Retail establishments
3
55.8/10k pop
Public companies headquartered here
SEC EDGAR · FMPCompanySectorRevenueEA
No public companies loaded for this state yet — universe expands with the full ingest.
HQ-based placement with total (global) headcount — local employment attribution needs firmographic data; the industry mix at right is measured county data (CBP).
Industry mix · employment
Retail trade100%
share of top-1 sector employment · CBP 2023
Population & migration
Census PEP · 2020–2025
548
residents · 2025 · +9.2% since 2020
Income per capita $42.2k · BEA 2024
COMPONENTS OF CHANGE · 2021–2025
Domestic migration+44
International migration+0
Natural change+3
GDP trend
2019–2024 · nominal
$13.9M2019
$12.5M2020
$9.9M2021
$20.0M2022
$21.6M2023
$22.7M2024
Real estate & risk
FHFA · ACS · FEMA
Median home value
$201.4k±$49.4k
Median gross rent
$800/mo±$227/mo
Vacancy rate
28.9%±9.7%
Affordability
5.9× wages
Residential permits
Census BPS
FEMA risk score
1.3
HUD Fair Market Rent (2BR):$1.5k/mo · 2026
TOP PERILS · FEMA NRI
Lightning 70Wildfire 66Cold wave 32
Transport access
BTS · FAA · USACE
Nearest interstate
121.9 km
I-94
Nearest freight rail
88.5 km
Freight rail
Nearest port
671.0 km
LEWISTON IDAHO
Nearest commercial airport
147.4 km
BILLINGS LOGAN INTL
Wage trend
BLS QCEW · 2019–2023$34.2k
avg. annual pay · +16% since 2019
Similar US counties
nearest by GDPThe read
What is the GDP of Petroleum?
Petroleum's economy produced $22.7M in 2024, growing 5.5% year over year — faster than most US counties. Its largest employment sector is retail trade.
GDP: BEA (2024), USD-normalized · Jobs/employers/wages & industry mix: Census CBP (2023) · Population & migration: Census PEP · Income: BEA CAINC1 · Companies: SEC EDGAR + FMP, by HQ.