Greene, 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 11.99K population of Greene, IL residents comprised of 106 residents who identified as Hispanic or Latino (0.88%), and 11.88K residents who identified as Non-Hispanic (99.12%).

Race: The White Alone population was the largest racial group in Greene, IL, with a population of 11.49K (95.89%). The Two Or More Races population was the second largest racial group in Greene, IL, with a population of 396 (3.30%). The Some Other Race Alone population was the third largest racial group in Greene, IL, with a population of 36 (0.30%). The smallest racial group in Greene, IL was Native Hawaiian And Pacific Islander Alone with a population of 3 (0.03%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Greene, IL, with a population of 11.45K (95.54%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Greene, IL, with a population of 350 (2.92%). The Hispanic - Two or More Races population was the third largest ethnic group in Greene, IL, with a population of 46 (0.38%). The smallest ethnic group in Greene, 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 Greene, Illinois from the 2020 decennial census.

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

Greene, IL Hispanics and Non Hispanics Population in Census 2020
Total Population:
Greene, IL Racial Groups in Census 2020
Total Population:
Greene, IL Ethnicity Groups in Census 2020
Total Population:
Greene, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 23 0.19
White Alone 11492 95.89
American Indian and Alaska Native Alone 13 0.11
Asian Alone 22 0.18
Native Hawaiian And Pacific Islander Alone 3 0.03
Some Other Race Alone 36 0.30
Two Or More Races 396 3.30
Greene, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 11451 95.54
Non-Hispanic - Two or More Races 350 2.92
Hispanic - Two or More Races 46 0.38
Hispanic - White Alone 41 0.34
Non-Hispanic - Some Other Race Alone 23 0.19
Non-Hispanic - Asian Alone 21 0.18
Non-Hispanic - Black Alone 18 0.15
Non-Hispanic - American Indian & Alaska Native 13 0.11
Hispanic - Some Other Race Alone 13 0.11
Hispanic - Black Alone 5 0.04
Non-Hispanic - Native Hawaiian & Pac. Islander 3 0.03
Hispanic - Asian Alone 1 0.01
Hispanic - American Indian & Alaska Native 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00