Population By Race and Ethnicity in Petroleum County, MT in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 475 population of Petroleum County, Montana comprised of 6 people who identified as Hispanic (1.26%), and 469 people who identified as Non-Hispanic (98.74%).

Race: The White Alone population was the largest racial group in Petroleum County, Montana with a population of 466 (98.11%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 5 (1.05%); and Two Or More Races was the third largest racial group with a population of 4 (0.84%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Petroleum County, Montana in 2015, with a population of 460 (96.84%); the second largest ethnic group was White Alone - Hispanic with a population of 6 (1.26%); and the third largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 5 (1.05%).

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.

See this for other years:
Hispanics and Non Hispanics in Petroleum County, MT in 2015
Total Population:
Race in Petroleum County, MT in 2015
Total Population:
Ethnicity in Petroleum County, MT in 2015
Total Population:
Population By Race in Petroleum , MT in 2015
Race Population Percentage
Black or African American Alone 0 0%
White Alone 466 98.11%
American Indian and Alaska Native Alone 5 1.05%
Asian Alone 0 0%
Native Hawaiian And Pacific Islander Alone 0 0%
Two Or More Races 4 0.84%
Population By Ethnicity in Petroleum , MT in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 0 0%
White Alone - Hispanic 6 1.26%
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 0 0%
White Alone - Non Hispanic 460 96.84%
American Indian and Alaska Native Alone - Non Hispanic 5 1.05%
Asian Alone - Non Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 4 0.84%