Population By Race and Ethnicity in Monroe, IL in 2023

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2023, the 34,957 population of Monroe County, Illinois comprised of 703 people who identified as Hispanic (2.01%), and 34,254 people who identified as Non-Hispanic (97.99%).

Race: The White Alone population was the largest racial group in Monroe County, Illinois with a population of 34,016 (97.31%); Two Or More Races population was the second largest racial group with a population of 394 (1.13%); and Black or African American Alone was the third largest racial group with a population of 239 (0.68%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Monroe County, Illinois in 2023, with a population of 33,381 (95.49%); the second largest ethnic group was White Alone - Hispanic with a population of 635 (1.82%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 374 (1.07%).

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

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

See this for other years:
Hispanics and Non Hispanics in Monroe, IL in 2023
Total Population:
Race in Monroe, IL in 2023
Total Population:
Ethnicity in Monroe, IL in 2023
Total Population:
Population By Race in Monroe , IL in 2023
Race Population Percentage
Black or African American Alone 239 0.68%
White Alone 34,016 97.31%
American Indian and Alaska Native Alone 79 0.23%
Asian Alone 216 0.62%
Native Hawaiian And Pacific Islander Alone 13 0.04%
Two Or More Races 394 1.13%
Population By Ethnicity in Monroe , IL in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 19 0.05%
White Alone - Hispanic 635 1.82%
American Indian and Alaska Native Alone - Hispanic 19 0.05%
Asian Alone - Hispanic 9 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0%
Two Or More Races - Hispanic 20 0.06%
Black or African American Alone - Non Hispanic 220 0.63%
White Alone - Non Hispanic 33,381 95.49%
American Indian and Alaska Native Alone - Non Hispanic 60 0.17%
Asian Alone - Non Hispanic 207 0.59%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.03%
Two Or More Races - Non Hispanic 374 1.07%