Petroleum County, Montana Population 2022

Petroleum County, Montana's estimated population is 412 with a growth rate of -5.72% in the past year according to the most recent United States census data. Petroleum County, Montana is the 57th largest county in Montana. The 2010 Population was 489 and has seen a growth of -15.75% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
19302,0450.00%
19401,083-962-47.04%
19501,026-57-5.26%
1960894-132-12.87%
1970675-219-24.50%
1980655-20-2.96%
1990519-136-20.76%
2010489-30-5.78%
201149010.20%
2012504142.86%
20135040.00%
2014488-16-3.17%
2015474-14-2.87%
2016491173.59%
2017512214.28%
20185120.00%
2019487-25-4.88%
2020462-25-5.13%
2021437-25-5.41%
2022412-25-5.72%
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Petroleum County, Montana Population Growth

Population by Race

Race Population Percentage
White44996.77%
Asian153.23%
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Petroleum County, Montana Population by Race

Petroleum County, Montana Population Pyramid 2022

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Petroleum County, Montana Median Age

49.6


Total

46.5


Male

51.6


Female

Petroleum County, Montana Adults

There are 379 adults, (89 of whom are seniors) in Petroleum County, Montana.

Petroleum County, Montana Age Dependency

Age Dependency Ratio

30.7

Old Age Dependency Ratio

29.3

Child Dependency Ratio

Petroleum County, Montana Sex Ratio

Female

223

48.06%

Male

241

51.94%

Petroleum County, Montana Population by Age

Petroleum County, Montana Renter vs Owner Occupied by Household Type

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Petroleum County, Montana Household Types

Type Owner Renter
Male100%0%
Female100%0%
Married72.3%27.7%
All65.6%34.4%
Non Family54.5%45.5%

65.6%

Rate of Home Ownership

Petroleum County, Montana Households and Families

Type Count Average Size Owned
All2122.1965.6
Married1192.7372.3
Male28100
Female31.33100
Non Family881.3554.5

2.76

Average Family Size

2.19

Average Household Size

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Petroleum County, Montana Households by Type

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Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade51.41%
High School Graduate13538.03%
Some College8022.54%
Associates Degree4111.55%
Bachelors Degree7721.69%
Graduate Degree174.79%
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Petroleum County, Montana Educational Attainment by Sex (over 25)

Petroleum County, Montana Educational Attainment by Race

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The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 73.33%.

Petroleum County, Montana Educational Attainment by Race

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Name Average Male Female
Overall$34,750$36,786$31,250
Less Than 9th Grade$$$
High School Graduate$26,250$26,786$
Some College$34,792$37,500$26,250
Bachelors Degree$53,563$54,000$53,417
Graduate Degree$31,875$$32,500

$34,750

Average Earnings

$36,786

Average Male

$31,250

Average Female

Petroleum County, Montana Earnings by Educational Attainment

Petroleum County, Montana Language by Age

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Petroleum County, Montana Language

96.36% of Petroleum County, Montana residents speak only English, while 3.64% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.64% of the population.

Petroleum County, Montana Language

Petroleum County, Montana Poverty by Race

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12.11%

Overall Poverty Rate

11.11%

Male Poverty Rate

13.18%

Female Poverty Rate

Poverty in Petroleum County, Montana

The race most likely to be in poverty in Petroleum County, Montana is White, with 12.53% below the poverty level.

The race least likely to be in poverty in Petroleum County, Montana is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.53%. Among those working part-time, it was 22.54%, and for those that did not work, the poverty rate was 16.26%.

Petroleum County, Montana Poverty

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Name Poverty
Less Than 9th Grade80.00%
High School18.52%
Some College0.00%
Bachelors or Greater9.57%

Petroleum County, Montana Poverty Rate by Education

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Rate Poverty
Male Employed6.90%
Male Unemployed0.00%
Female Employed12.78%
Female Unemployed0.00%

Petroleum County, Montana Poverty Rate by Employment Status and Sex

Petroleum County, Montana Income by Household Type

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Name Median Mean
Households$40,000$61,966
Families$65,625$74,640
Married Families$66,406-
Non Families$30,313$38,428
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Income by Household Type

Petroleum County, Montana Marital Status

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Marriage Rates

64.6%

Overall Marriage Rate

64.9%

Male Marriage Rate

64.4%

Female Marriage Rate

Petroleum County, Montana Married by Age and Sex

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Petroleum County, Montana Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Petroleum County, Montana Marital Status by Race

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Petroleum County, Montana Marital Status

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35

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War
First Gulf War18
Vietnam4
Korea3
World War II

Petroleum County, Montana Veterans by War

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Age Group Veterans
18 to 34
35 to 5419
55 to 643
65 to 744
75+9

Petroleum County, Montana Veterans by Age

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Petroleum County, Montana Veterans by Race

Petroleum County, Montana Veterans by Education

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0.00%

Veteran Poverty Rate

40.00%

Veteran Disability Rate

Petroleum County, Montana Veterans by Education

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65.6%

Labor Force Participation

63.4%

Employment Rate

3.5%

Unemployment Rate

Petroleum County, Montana Employment by Age

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Petroleum County, Montana Employment by Race

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Petroleum County, Montana Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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65.73%

Born in Petroleum County, Montana

97.63%

Native Born

2.37%

Foreign Born

0.00%

Non Citizen

2.37%

Naturalized

Place of Birth

97.63% of Petroleum County, Montana residents were born in the United States, with 65.73% having been born in Montana. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Petroleum County, Montana Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources