Mason County, Illinois Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on July 13, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Mason County, IL population was 13,225. The White Alone racial group had the highest population (12.78K) and constituted 96.67% of the total Mason County population. The Two Or More Races racial group had the second highest population (288) and constituted 2.18% of the population. The third highest racial group was Black or African American Alone (63), constituting 0.48% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 12.71K and constituted 96.10% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (170) and constituted 1.29% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Illinois counties, and for Illinois.

Mason County, Illinois Population By Race in 2021
White Alone
Two Or More Races
Black or African American Alone
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Mason County, Illinois Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
Mason County, Illinois Population By Race in 2021
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Race Population % of Total Pop.
White Alone 12784 96.67
Two Or More Races 288 2.18
Black or African American Alone 63 0.48
Some Other Race Alone 45 0.34
Asian Alone 30 0.23
American Indian and Alaska Native Alone 15 0.11
Mason County, Illinois Population By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 12709 96.10
Hispanic or Latino of All Races 170 1.29