← Map/← Montana/Counties/Petroleum

Petroleum
Montana

416

Population

$58K

Median Income

$195K

Median Home

R+68

Politics

This county as a story, on one page you can share·See it on the map with these filters

What stands out

If you had to describe Petroleum County in numbers, start here: the share working from home is among the highest in America (27%), high-school completion is among the highest in America (100%), and natural-hazard risk is among the safest in America (0 of 100). Within Montana it ranks 4th of 56 counties for the share working from home.

Where you are

You live in Petroleum County, Montana. 416 people live here with you, so most faces are familiar. The population grew 6.3% last year, and more Americans moved in than out (net +31).

Montana has no sales tax and a two-bracket income tax with a top rate of 5.65% for 2026. It taxes Social Security above income thresholds. Home prices in Bozeman, Missoula and the Flathead Valley roughly doubled between 2019 and 2023 as remote workers arrived, and the state passed a package of zoning reforms in 2023 to add housing supply. Wildfire smoke is now a regular late-summer feature.

Money

The typical household here brings in $57,981 a year, lower than 58% of American counties. Employers pay an average wage of $34,642. Unemployment runs 3.0%, lower than 67% of American counties. 27% of workers work from home.

Montana takes 4.9% of that median income in state income tax, about $2,825 a year.

Home

The median home costs $199K, cheaper than 63% of American counties, about 2.0 years of the median household's income. A two-bedroom rents for around $1,548 a month. Property tax is 0.85% of home value, roughly $1,298 a year on that median home, lower than 51% of American counties. 70% of households own rather than rent.

Safety and health

Violent crime here is 3.4 per 1,000 residents, lower than 76% of American counties.

There are 0 active physicians in the county, about 0.0 per 10,000 people; the nearest doctor is in another county. 9.1% of people under 65 have no health insurance.

School

100% of adults finished high school.

Neighbors and politics

In 2024 your neighbors voted Republican by 68 points, among the most lopsided counties in the country. 92% of eligible voters turned out. Under Montana law you can carry a concealed handgun without a permit, abortion is protected by state law, and marijuana is legal for adults.

Weather and risk

The year averages 47°F, highs near 60 and lows near 34, colder than 85% of American counties. About 15 inches of rain and snow fall a year. FEMA puts natural-hazard risk at 0 out of 100, safer than almost every county in America; the county has had 12 federal disaster declarations since 1953.

Getting around, going out

Home internet averages 212 Mbps down, faster than 55% of American counties. There is 1 airport in the county, counting general aviation.

Written from the figures below. Percentiles compare this county with every other county that reports the same figure; missing figures are left out rather than guessed.

Economy

Median Household Income$58K
This county
national avg ~$75K
Poverty Rate12.8%
This county
national avg ~11.5%
Unemployment Rate3.0%
This county
national avg ~3.8%
GDP per Capita$38,910
Federal Spending per Capita$3,800
Median Individual Earnings$46K
This county
national avg $45K
Professional/Management Workers38.4%
Average Adjusted Gross Income$47K
Avg Credit Score721
Work From Home %27.2%
This county
national avg 17.0%
Population Under 1817.3%
This county
national avg 22.0%
Single-Person Households24.3%
This county
national avg 28.0%
Income (20th Percentile)$25K
Income (80th Percentile)$114K
Income (95th Percentile)$163K
Bachelor's Degree or Higher23.8%
This county
national avg 34.3%
Less Than High School0.3%
This county
national avg 11.0%
Knowledge Economy GDP %0.3%
Dependency Ratio0.64
Medicare Spending / Person$2,473
SS Benefits / Person$3,110
Education Wage Premium1.39x
Median Earnings (Bachelor's)$55K
Median Earnings (Graduate)$53K
Median Earnings (HS Diploma)$38K
Public Assistance Recipients1.6%
Average Annual Wage$35K
Federal Government Jobs Located Here3
Federal Share of Jobs Located Here2.9%
Residents Who Work for the Federal Government0.9%
Federal Civilian Share of Earnings3.1%
Federal Contract Dollars Performed Here (FY2025)$48,385
Contract Dollars Relative to Local Wages0.01x wages
Largest Award's Share of Contract Dollars100%

Housing

Sources: Zillow ZHVI · Census ACS 2022 · Tax Foundation 2023 (effective rates)

Median Home Value$195K
This county
$450K state avg
$303K national
Market Rent (ZORI)$713/mo
This county
$1450/mo state avg
$1400/mo national
Property Tax Rate0.85%
This county
0.58% state avg
1.10% national

Annual tax on median home: $1,298

Affordability & Supply

HUD Fair Market Rent (2BR)$1,548/mo
Home Value to Income Ratio2.0x income
Severely Cost-Burdened Households6.2%
Homeownership Rate70.4%
This county
national avg ~65%
Days on Market (Redfin)— Slow — buyers have leverage
342 days
Months of Supply (Redfin)— Low inventory — sellers market
2.0 mo
Sold Above List (Redfin)
0.0%

Source: Redfin · Updated monthly

Health

Food Insecurity4.2%
This county
national avg ~11%
Food Environment Index6.9 / 10
This county
higher = better access
Primary Care Shortage Score5
This county
national avg 5
Mental Health Shortage Score0
Dental Care Shortage Score0
Healthcare Shortage Score1.7
Obesity Rate (BRFSS)32.9%
This county
national avg 32.0%
Smoking Rate (BRFSS)14.6%
This county
national avg 14.0%
Poor Health Rate (BRFSS)16.7%
This county
national avg 18.0%
Physical Inactivity (BRFSS)20.6%
This county
national avg 24.0%
High Blood Pressure (BRFSS)28.5%
This county
national avg 32.0%
Active Physicians0
ER Visits per 1,000 Medicare Patients480 / 1,000
Medicare Cost per Beneficiary$9,200
Uninsured (under 65)9.1%
This county
national avg ~10%
Adults with Depression24.4%

Education

HS Diploma Holders132
Bachelor's Degree Holders55
HS Completion Rate99.7%
This county
national avg ~85%

Safety

Violent Crime Rate3.4 / 1,000
This county
national avg ~4.0
Social Vulnerability (CDC SVI)0th pct
Drug Overdose Deaths (2024)0.0 / 100K

Climate & Air Quality

Natural Amenity Scale1.9
January Sunshine-0.35
January Temperature-1.10
Average Temp47°F+3.5% since 2022
Avg High Temp60°F+2.1% since 2022
Avg Low Temp34°F+6.2% since 2022
Annual Precipitation15.1 in/yr+4.1% since 2022
Avg Storm Events5.4 storms/yr
Avg Annual Storm Damage$0
Drought Index (2022)0.17
Heating Degree Days7,160 HDD/yr
This county
national avg ~4,500 HDD/yr
Cooling Degree Days645 CDD/yr
This county
national avg ~1,200 CDD/yr
Heating Degree Days (1901–2000 Baseline)7,850 HDD/yr
Cooling Degree Days (1901–2000 Baseline)531 CDD/yr
Avg Tornadoes / Year0.4
Avg Flood Events / Year0.8
Avg Hail Events / Year2.8
Avg Hurricane Events / Year0.00
Avg Wildfire Events / Year0.0
Avg Winter Storms / Year0.0
Avg Heat Events / Year0.0
Natural Hazard Risk (FEMA)0 / 100
Community Resilience (FEMA)23 / 100
Federal Disaster Declarations12 since 1953
Fine Particulate Pollution (PM2.5)5.3 µg/m³
This county
EPA standard 9 µg/m³

Outdoor & Recreation

Historic Places (NRHP)5 properties
FAA-Registered Airports1 total
Airports (excl. heliports)1 airports

Internet & Remote Work

Download Speed212 Mbps
This county
national avg ~120 Mbps
Upload Speed333 Mbps
Fixed Internet (Q1 2026)292 Mbps
Mobile Internet (Q1 2026)250 Mbps
Mobile Upload (Q1 2026)42 Mbps
Mobile Latency (Q1 2026)58 ms
Households with 100Mbps+52.4%
This county
national avg 75.0%
Cellular-Only Internet11.6%
This county
national avg 8.0%
Fixed Upload Speed (Q1 2026)162 Mbps

Commute & Transit

Remote Workers64 workers
Public Transit Commuters0 workers
Walk to Work (workers)32 workers
Extreme Commutes (90+ min)2 workers
Walk to Work13.6%

Families & Childcare

Childcare Cost Burden28.0%
This county
national median ~27% of household income

Civic & Community

Voter Turnout91.6%
This county
national avg ~55%
Income Inequality (Gini)4.605
Nonprofit Organizations8
Veterans Share11.6%
This county
national avg 7.0%
Married Adults76.4%
Never-Married Adults9.5%
Divorced Adults11.5%
Asian Population1.9%
Membership Associations0.0 per 10K residents
Debt Burden
Avg Mortgage Balance$86K
Avg Student Loan Balance$6K
Avg Credit Card Balance$4K
Loan Delinquency Rate24.9%
This county
national avg 4.0%

Innovation

Inventor Rate0.10%

Politics

R+68

2024 Presidential · Montana was R+13 statewide

vs Montana State

Income tax
5.9%Same (state law)
Property tax
0.85%0.58% state avg
Politics
R+68R+13
COL Index
104state index (no county figure)

Population & Migration

Net Domestic Migration 2023

↑ +31

More people arriving than leaving

Real Estate

Find Homes in Petroleum County

Median home value: $199K

View on Zillow →View on Realtor.com →

Opens in a new tab

Explore Other Montana Counties

Beaverhead County, MontanaBig Horn County, MontanaBlaine County, MontanaBroadwater County, MontanaCarbon County, MontanaCascade County, MontanaChouteau County, MontanaCuster County, MontanaDaniels County, MontanaDawson County, MontanaDeer Lodge County, MontanaFallon County, MontanaAll Montana counties →

Full Montana profile

Taxes, cost of living, crime, schools, gun laws and more.

View Montana →

Data: Census ACS, BLS, Zillow, USDA Natural Amenities, OpenElections 2024, CMS, NCES. Vintage 2022–2025. News via Google News.

Your Priorities

Adjust and every page updates live

Quick Profiles

Dial in your priorities

Annual Income

$150K

Affects effective income tax rate

$0$500K$5M+

Retirement Savings

$0

Affects pension and SS tax burden

None$500K$10M+

Social Security

None

Annual Social Security benefit

None$150K/yr

My Property Is Worth

$400K

Affects property tax burden

Tax burden ↓$1M$50M+

Home Buying Budget

$400K

Compared to state median home price

Hard to find$250K$5M+

Monthly Rent Budget

Don't care

Compared to state median 2BR rent

Don't care$10K/mo

Job Market

Don't care

State unemployment and job growth

Don't careHot market

Airport Access

Don't care

Direct flight destinations from state hubs

Don't careMust have hub

City vs Country

Mid-size city

% urban population

Deep countryBig city

Sunshine

Don't care

Annual sunny days per state

Don't careMax sunshine

Food Scene

Don't care

Restaurants per 100K residents

Don't careWorld-class

Political Preference

Neutral

State's political lean

LiberalConservative

Gun Laws

Neutral

State gun law grade (Giffords)

Gun Control2A Freedom

Abortion Access

Neutral

State abortion access policy

Pro-ChoiceNeutralPro-Life

Community

None

Congregations per 100K residents

AvoidDon't careSeek

Sports & Entertainment

Don't care

Pro sports teams and major venues

Don't careMust have pro teams

Cannabis Laws

Neutral

State cannabis legality

Prefer LegalNeutralPrefer Prohibition

Retiree Community

Neutral

% population 65+ (Census)

Young areaRetirement-heavy

Dating Market

Neutral

% adults never-married (Census)

Singles sceneFamily community

Safety / Low Crime

Don't care

Violent crime rate per 100K (FBI)

Don't careVery safe

School Quality

Don't care

K-12 rank (Education Week)

Don't careTop-ranked

Healthcare Access

Don't care

Healthcare system rank (Commonwealth Fund)

Don't careTop-ranked

Childcare Affordability

Don't care

Cost of living proxy for childcare affordability

Don't careMust be affordable