Petroleum County, MT ZIP Codes

Montana (MT) · 2 ZIP codes · 2 cities

ZIP codes

519

population (2021)

+5.1%

pop change since 2010

30069

FIPS code

Petroleum County ZIP code map

About Petroleum County

Petroleum County is located in Montana and contains 2 ZIP codes across 2 cities and communities. The county's population was 519 as of 2021, an increase of 5.1% from 494 in 2010. The timezone is Pacific Time (observes DST). The Federal Information Processing System (FIPS) code for Petroleum County is 30069.

Population
2021 population	519
2010 population	494
Change	+5.1%

County details
State	Montana
FIPS code	30069
Timezone	Pacific
Daylight saving	Yes

Cities in Petroleum County

Teigen Winnett

ZIP codes for Petroleum County, MT (2)

ZIP code	City	County	Map
59084	Teigen	Petroleum	View map
59087	Winnett	Petroleum	View map

Demographics & statistics

356

Population

50.0

Median age

$58,295

Median household income

$34,324

Per capita income

$151,600

Median home value

$713

Median monthly rent

68.0%

Home ownership

5.1%

Poverty rate

1.0%

Unemployment

208

Housing units

24.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	62	17.4%
18 and over	294	82.6%
65 and over	77	21.6%
Median age	50.0 years

Race & ethnicity

White 97.8%

Asian 2.2%

Group	Count	%
White	348	97.8%
Asian	8	2.2%

Household income

Under $10k 0.6%

$10k–$15k 4.1%

$15k–$25k 16.0%

$25k–$35k 5.3%

$35k–$50k 17.8%

$50k–$75k 17.2%

$75k–$100k 7.1%

$100k–$150k 21.9%

$150k–$200k 7.7%

$200k+ 2.4%

Range	% of households
Under $10k	0.6%
$10k–$15k	4.1%
$15k–$25k	16.0%
$25k–$35k	5.3%
$35k–$50k	17.8%
$50k–$75k	17.2%
$75k–$100k	7.1%
$100k–$150k	21.9%
$150k–$200k	7.7%
$200k+	2.4%
Median income	$58,295

Housing

Home values

Under $50k 12.2%

$50k–$100k 25.2%

$100k–$150k 11.3%

$150k–$200k 20.9%

$200k–$300k 13.0%

$300k–$500k 5.2%

$500k–$1M 8.7%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$151,600
Median rent / month	$713
Owner occupied	68.0%
Renter occupied	32.0%
Vacant	35.5%
Single-family detached	76.0%
Large apartment buildings	0.0%
Mobile homes	22.9%
Median rooms	5.7
Avg household size (owned)	2.04

Year built

Era	%
2020 or later	0.0%
2010–2019	5.3%
2000–2009	6.1%
1990–1999	20.2%
1980–1989	19.1%
1970–1979	9.9%
1960–1969	7.3%
1950–1959	6.5%
1940–1949	3.1%
1939 or earlier	22.5%

Bedrooms

Size	% of units
No bedroom (studio)	9.2%
1 bedroom	2.7%
2 bedrooms	14.5%
3 bedrooms	49.2%
4 bedrooms	22.9%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	15.4%
2 vehicles	39.6%
3 or more	45.0%

Heating fuel

Fuel type	%
Utility gas	3.6%
Electricity	25.4%
Propane / LP gas	44.4%
Wood	26.0%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	106	62.7%
Cohabiting couple	11	6.5%
Male householder, no spouse	30	17.8%
Female householder, no spouse	22	13.0%
Households with children under 18	39	23.1%
Households with seniors (65+)	55	32.5%
Average household size	2.11

Marital status

Status	Male	Female
Never married	10.0%	12.4%
Married	70.0%	73.7%
Separated	0.0%	1.5%
Widowed	2.5%	3.6%
Divorced	17.5%	8.8%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.4%

HS graduate 44.3%

Some college, no degree 26.0%

Associate's degree 4.8%

Bachelor's degree 17.9%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	99.6%
Bachelor's or higher	24.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	8.9%
Kindergarten	6	13.3%
Elementary school	12	26.7%
High school	15	33.3%
College / grad school	8	17.8%

Employment

Industry of employment

Agriculture & mining 44.2%

Retail trade 16.6%

Construction 13.1%

Public administration 9.5%

Education & healthcare 8.0%

Transportation & utilities 5.5%

Professional & management 3.0%

Occupation

Category	%
Management, business & arts	38.2%
Service	4.0%
Sales & office	19.6%
Natural resources & construction	33.2%
Production & transportation	5.0%

Employment type

Type	%
Private sector	51.8%
Government	26.6%
Self-employed	20.6%
Unpaid family workers	1.0%

Commute

Method	%
Drive alone	54.3%
Carpool	2.5%
Public transit	0.0%
Walk	16.2%
Other means	0.0%
Avg commute (minutes)	11.9

Poverty

All people 5.1%

Under 18 years 0.0%

18 and over 6.1%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	41.4%
Retirement income	23.1%
Supplemental Security	0.0%
Cash public assistance	1.8%
Food stamps / SNAP	0.6%

Health indicators

Condition	%
High blood pressure	34.2%
High cholesterol	34.8%
Heart disease	8.0%
Stroke	3.5%
Asthma	9.4%
Arthritis	30.2%
Kidney disease	3.3%
Pulmonary disease	7.5%
Cancer	8.5%

Behavior / access	%
Binge drinking	18.6%
No physical activity	20.8%
Less than 7 hrs sleep	29.9%
Fair or poor health	13.1%
Poor mental health	11.3%
Poor physical health	11.1%
No health insurance	10.2%
Visited doctor (checkup)	72.4%
Visited dentist	65.0%
Cholesterol screening	91.7%
Teeth loss	11.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	37	12.6%

Disability	%
Any disability	5.6%
Under 18	0.0%
18–64 years	1.4%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	76.7%
Public insurance	38.8%
Uninsured under 19	9.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	324	91.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	351	98.6%
Born in same state	351	98.6%
Born in different state	207	58.1%
Foreign born	0	0.0%
Naturalized citizen	5	1.4%
Not a US citizen	5	100.0%

Ancestry

Ancestry	Count	%
Arab	105	29.5%
French	32	9%
Italian	27	7.6%

Ancestry	Count	%
Polish	27	7.6%
Dutch	5	1.4%

Technology access

Metric	% of households
Computer access	47.5%
Internet access	85.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Explore more Montana ZIP codes

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