Mason, Illinois Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 13.09K population of Mason, IL residents comprised of 184 residents who identified as Hispanic or Latino (1.41%), and 12.90K residents who identified as Non-Hispanic (98.59%).

Race: The White Alone population was the largest racial group in Mason, IL, with a population of 12.42K (94.93%). The Two Or More Races population was the second largest racial group in Mason, IL, with a population of 516 (3.94%). The Black or African American Alone population was the third largest racial group in Mason, IL, with a population of 51 (0.39%). The smallest racial group in Mason, IL was Native Hawaiian And Pacific Islander Alone with a population of 1 (0.01%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Mason, IL, with a population of 12.34K (94.29%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Mason, IL, with a population of 452 (3.45%). The Hispanic - White Alone population was the third largest ethnic group in Mason, IL, with a population of 84 (0.64%). The smallest ethnic group in Mason, IL was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

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

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

Mason, IL Hispanics and Non Hispanics Population in Census 2020
Total Population:
Mason, IL Racial Groups in Census 2020
Total Population:
Mason, IL Ethnicity Groups in Census 2020
Total Population:
Mason, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 51 0.39
White Alone 12423 94.93
American Indian and Alaska Native Alone 24 0.18
Asian Alone 28 0.21
Native Hawaiian And Pacific Islander Alone 1 0.01
Some Other Race Alone 43 0.33
Two Or More Races 516 3.94
Mason, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 12339 94.29
Non-Hispanic - Two or More Races 452 3.45
Hispanic - White Alone 84 0.64
Hispanic - Two or More Races 64 0.49
Non-Hispanic - Black Alone 49 0.37
Hispanic - Some Other Race Alone 32 0.25
Non-Hispanic - Asian Alone 26 0.20
Non-Hispanic - American Indian & Alaska Native 24 0.18
Non-Hispanic - Some Other Race Alone 11 0.08
Hispanic - Black Alone 2 0.02
Hispanic - Asian Alone 2 0.02
Non-Hispanic - Native Hawaiian & Pac. Islander 1 0.01
Hispanic - American Indian & Alaska Native 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00