Mercer 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 Mercer County, IL population was 15,779. The White Alone racial group had the highest population (15.08K) and constituted 95.58% of the total Mercer County population. The Two Or More Races racial group had the second highest population (442) and constituted 2.80% of the population. The third highest racial group was Some Other Race Alone (124), constituting 0.79% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 14.90K and constituted 94.40% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (423) and constituted 2.68% 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.

Data Source: US Census - ACS 5-Year Estimates.

Mercer County, Illinois Population By Race in 2021

White Alone

Two Or More Races

Some Other Race Alone

Black or African American Alone

Asian Alone

Mercer County, Illinois Population By Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Mercer County, Illinois Population By Race in 2021

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Race	Population	% of Total Pop.
White Alone	15082	95.58
Two Or More Races	442	2.80
Some Other Race Alone	124	0.79
Black or African American Alone	79	0.50
Asian Alone	52	0.33

Mercer County, Illinois Population By Ethnicity in 2021

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Ethnicity	Population	% of Total Pop.
Non-Hispanic White Alone	14895	94.40
Hispanic or Latino of All Races	423	2.68