County

Petroleum County, MT

2 ZIP codes  ·  2 cities  ·  Montana

👥348Population
💰$60,625Median HH Income▼ 21% below avg
🎂51.6Median Age
🏠$167,100Median Home Value▼ 40% below avg
🎓28.5%College Grads▼ 27% below avg
📊1.0%Unemployment▼ 79% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 57.5% Female 42.5% ♀

Race & Ethnicity

White: 99.1%Asian: 0.9%Race
White99.1%
Asian0.9%

Age Breakdown

Under 5
3%
5–17
9%
18–24
5%
25–44
17%
45–64
38%
65+
14%

Key Indicators

Median Age51.6 yrs
Avg HH Size1.91
Below Poverty5.5% ▼ 45% below avg
College Grads28.5% ▼ 27% below avg
Unemployment1.0% ▼ 79% below avg
HS Graduate122 (42.4%)
Some College21 (7.3%)
Associates63 (21.9%)
Bachelors4 (1.4%)
Graduate Degree78 (27.1%)

Education

HS Grad: 42.4%Some College: 7.3%Associates: 21.9%Bachelors: 1.4%Graduate: 27.1%Edu
HS Grad42.4%
Some College7.3%
Associates21.9%
Bachelors1.4%
Graduate27.1%
Housing & Income

Housing Tenure

Owner: 76.9%Renter: 23.1%Tenure
Owner76.9%
Renter23.1%

Home Value Distribution

Under $50k
12%
$50k–$100k
20%
$100k–$150k
9%
$150k–$200k
19%
$200k–$300k
26%
$300k–$500k
4%
Over $500k
10%

Financials

Median HH Income$60,625 ▼ 21% below avg
Median Home Value$167,100 ▼ 40% below avg
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$769/mo
Total Housing Units269
Vacant Units87

Income Distribution

Under $25k
17%
$25k–$50k
19%
$50k–$75k
22%
$75k–$100k
7%
$100k–$150k
25%
$150k–$200k
6%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
59%
Walked
26%
Work From Home
15%

Commute Time

Under 15 min
73%
15–30 min
9%
30–45 min
7%
Over 45 min
12%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
8%
1960s–1970s
17%
1980s–1990s
13%
2000+
60%
About Petroleum County, MT

Petroleum County is located in Montana and encompasses 2 ZIP codes spanning 2 cities and communities. The county has an estimated population of 348 residents. With a median age of 51.6, it is a mature county.

Petroleum County has a solidly middle-class economic profile. The median household income of $60,625 is below the national average. Unemployment stands at 1.0%, well below the national average. The poverty rate of 5.5% is well below the national average.

Housing in Petroleum County is an affordable housing market, with a median home value of $167,100 — below the national average. Monthly median rent is approximately $769. Homeownership rates are high at 76.9%, reflecting a largely residential, stable population.

The residents of Petroleum County are primarily White (99.14%). Educational attainment is moderately educated — 28.5% of adults hold a bachelor's degree or higher, below the national average.

Petroleum County, MT is a solidly middle-class area in Montana. The 2 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Petroleum County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
59087 Winnett 348 $60,625 $167,100 $769 1.0% 28.5%

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Cities in Petroleum County