Population By Race and Ethnicity in Petroleum County, MT in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 554 population of Petroleum County, Montana comprised of 10 people who identified as Hispanic (1.81%), and 544 people who identified as Non-Hispanic (98.2%).

Race: The White Alone population was the largest racial group in Petroleum County, Montana with a population of 534 (96.39%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 11 (1.99%); and Two Or More Races was the third largest racial group with a population of 8 (1.44%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Petroleum County, Montana in 2023, with a population of 524 (94.59%); the second largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 11 (1.99%); and the third largest ethnic group was White Alone - Hispanic with a population of 10 (1.81%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Petroleum, Montana.

You can find similar information for other Montana counties, and for Montana.

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Hispanics and Non Hispanics in Petroleum County, MT in 2023
Total Population:
Race in Petroleum County, MT in 2023
Total Population:
Ethnicity in Petroleum County, MT in 2023
Total Population:
Population By Race in Petroleum , MT in 2023
Race Population Percentage
Black or African American Alone 1 0.18%
White Alone 534 96.39%
American Indian and Alaska Native Alone 11 1.99%
Asian Alone 0 0%
Native Hawaiian And Pacific Islander Alone 0 0%
Two Or More Races 8 1.44%
Population By Ethnicity in Petroleum , MT in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 0 0%
White Alone - Hispanic 10 1.81%
American Indian and Alaska Native Alone - Hispanic 0 0%
Asian Alone - Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 0 0%
Black or African American Alone - Non Hispanic 1 0.18%
White Alone - Non Hispanic 524 94.59%
American Indian and Alaska Native Alone - Non Hispanic 11 1.99%
Asian Alone - Non Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 8 1.44%