CensusEasy
COUNTY · 2000 CENSUS

Petroleum County

Montana · 493 residents · 1,655.625 sq mi
Time machine
COMPARE TO
Compare
The short version

Petroleum County has notably lower household income than the US average, with a median household income of $24,107. Population has declined 5% since 1990. Median home value has roughly tripled since 1990, reaching $51,000. With a median age of 41.1, the population is older than the US median of 35.2. The poverty rate of 23.2% is well above the national figure. Households here earn about 27% less than the Montana median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 41.1
US median: 35.2
Less educated
17% hold a bachelor's degree
US average: 24%
Less affordable
home values up 158%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

493
−5%since 1990
from 519 in 1990
1990 – 2025
0 / sq mi
−5%since 1990
from 0 / sq mi in 1990
US average: 242
41.1
+15%since 1990
from 35.8 in 1990
US average: 35.2
Population, 19902024
3844344855355851990201020202024Petroleum County
2024447
1990201020202024
Section 02

Income & economy

$24,107
−5%inflation adjusted, since 1990
from $19,219 in 1990
US average: $42,589
1990 – 2024
$15,986
+62%since 1990
from $9,876 in 1990
US average: $21,522
23.2%
−2.4 ptssince 1990
from 25.6% in 1990
US average: 12.4%
Section 03

Housing

$51,000
+158%inflation adjusted, since 1990
from $14,999 in 1990
US average: $120,530
1990 – 2024
$330
−14%inflation adjusted, since 1990
from $291 in 1990
US average: $602
74.4%
−1.7 ptssince 1990
from 76.1% in 1990
25.6% rent
2.1
+171%since 1990
from 0.8 in 1990
1990 – 2024
RELATED:See current rent listings in Petroleum County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.8%(513)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score2.9%(15)
2000
White, non-Hispanic98.2%(484)
Black0%(0)
Hispanic / Latino1.2%(6)
Asian0%(0)
Diversity Score3%(15)
3
+6%since 1990
from 3 in 1990
1990 – 2024
Section 05

Education

17.4%
−0.1 ptssince 1990
from 17.5% in 1990
US average: 24.4%
High school or higher
82.9%
+1.0 ptssince 1990
from 81.9% in 1990
US average: 80.3%
0.9%
−1.2 ptssince 1990
from 2.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

10.6 min
−78%since 1990
from 48.3 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Petroleum County

Head to head

Compare Petroleum County to nearby counties

Frequently asked

How many people live in Petroleum County, Montana?

Petroleum County, Montana has about 493 residents according to the 2000 Census.

What is the median household income in Petroleum County, Montana?

The typical household in Petroleum County, Montana earns about $24,107 a year. Half of households make more than that, and half make less.

Is Petroleum County, Montana expensive?

In Petroleum County, Montana, the median home is worth about $51,000, and the typical rent is about $330 a month.

How educated are people in Petroleum County, Montana?

About 17.4% of adults age 25 and over in Petroleum County, Montana hold a bachelor's degree or higher.

What is the poverty rate in Petroleum County, Montana?

About 23.2% of people in Petroleum County, Montana live below the federal poverty line.

Has Petroleum County, Montana grown since 1990?

Yes, Petroleum County, Montana has shrunk since 1990. The population has lost about 26 residents, a change of about -5 percent over that period.

Keep going

Explore from here

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →