Population By Race and Ethnicity in Mercer County, IL in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 15,632 population of Mercer County, Illinois comprised of 463 people who identified as Hispanic (2.96%), and 15,169 people who identified as Non-Hispanic (97.04%).

Race: The White Alone population was the largest racial group in Mercer County, Illinois with a population of 15,224 (97.39%); Two Or More Races population was the second largest racial group with a population of 187 (1.2%); and Black or African American Alone was the third largest racial group with a population of 101 (0.65%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mercer County, Illinois in 2020, with a population of 14,795 (94.65%); the second largest ethnic group was White Alone - Hispanic with a population of 429 (2.74%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 175 (1.12%).

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

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

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Hispanics and Non Hispanics in Mercer County, IL in 2020
Total Population:15,632
97.04%
Non Hispanic (97.04%)
Hispanic (2.96%)
Race in Mercer County, IL in 2020
Total Population:15,632
97.39%
White Alone (97.39%)
Two or more races (1.2%)
Black or African American Alone (0.65%)
Asian Alone (0.48%)
American Indian and Alaska Native Alone (0.27%)
Native Hawaiian And Pacific Islander Alone (0.02%)
Ethnicity in Mercer County, IL in 2020
Total Population:15,632
94.65%
Non-Hispanic White Alone (94.65%)
Hispanic White Alone (2.74%)
Non-Hispanic Two or more races (1.12%)
Non-Hispanic Black or African American Alone (0.61%)
Non-Hispanic Asian Alone (0.46%)
All Other Ethnicities (0.42%)
Population By Race in Mercer , IL in 2020
Race
Population
Percentage
White Alone 15,224 97.39%
Two Or More Races 187 1.2%
Black or African American Alone 101 0.65%
Asian Alone 75 0.48%
American Indian and Alaska Native Alone 42 0.27%
Native Hawaiian And Pacific Islander Alone 3 0.02%
Population By Ethnicity in Mercer , IL in 2020
Ethnicity
Population
Percentage
White Alone - Non Hispanic 14,795 94.65%
White Alone - Hispanic 429 2.74%
Two Or More Races - Non Hispanic 175 1.12%
Black or African American Alone - Non Hispanic 95 0.61%
Asian Alone - Non Hispanic 72 0.46%
American Indian and Alaska Native Alone - Non Hispanic 30 0.19%
American Indian and Alaska Native Alone - Hispanic 12 0.08%
Two Or More Races - Hispanic 12 0.08%
Black or African American Alone - Hispanic 6 0.04%
Asian Alone - Hispanic 3 0.02%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%