Marion County, Oregon Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 345.92K population of Marion County, OR residents comprised of 95.74K residents who identified as Hispanic or Latino (27.68%), and 250.18K residents who identified as Non-Hispanic (72.32%).

Race: The White Alone population was the largest racial group in Marion County, OR, with a population of 233.32K (67.45%). The Some Other Race Alone population was the second largest racial group in Marion County, OR, with a population of 47.72K (13.80%). The Two Or More Races population was the third largest racial group in Marion County, OR, with a population of 42.56K (12.30%). The smallest racial group in Marion County, OR was Native Hawaiian And Pacific Islander Alone with a population of 3.82K (1.11%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Marion County, OR, with a population of 213.65K (61.76%). The Hispanic - Some Other Race Alone population was the second largest ethnic group in Marion County, OR, with a population of 46.02K (13.30%). The Hispanic - Two or More Races population was the third largest ethnic group in Marion County, OR, with a population of 25.58K (7.39%). The smallest ethnic group in Marion County, OR was Hispanic - Native Hawaiian & Pac. Islander with a population of 152 (0.04%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Marion County, Oregon from the 2020 decennial census.

You can see similar information for other Oregon counties and also for the state of Oregon.

Marion County, OR Hispanics and Non Hispanics Population in Census 2020
Total Population:
Marion County, OR Racial Groups in Census 2020
Total Population:
Marion County, OR Ethnicity Groups in Census 2020
Total Population:
Marion County, OR Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 4161 1.20
White Alone 233321 67.45
American Indian and Alaska Native Alone 6836 1.98
Asian Alone 7501 2.17
Native Hawaiian And Pacific Islander Alone 3821 1.11
Some Other Race Alone 47723 13.80
Two Or More Races 42557 12.30
Marion County, OR Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 213650 61.76
Hispanic - Some Other Race Alone 46022 13.30
Hispanic - Two or More Races 25578 7.39
Hispanic - White Alone 19671 5.69
Non-Hispanic - Two or More Races 16979 4.91
Non-Hispanic - Asian Alone 7270 2.10
Non-Hispanic - Black Alone 3787 1.10
Hispanic - American Indian & Alaska Native 3712 1.07
Non-Hispanic - Native Hawaiian & Pac. Islander 3669 1.06
Non-Hispanic - American Indian & Alaska Native 3124 0.90
Non-Hispanic - Some Other Race Alone 1701 0.49
Hispanic - Black Alone 374 0.11
Hispanic - Asian Alone 231 0.07
Hispanic - Native Hawaiian & Pac. Islander 152 0.04