Decatur, Tennessee 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 11.44K population of Decatur, TN residents comprised of 358 residents who identified as Hispanic or Latino (3.13%), and 11.08K residents who identified as Non-Hispanic (96.87%).

Race: The White Alone population was the largest racial group in Decatur, TN, with a population of 10.57K (92.39%). The Two Or More Races population was the second largest racial group in Decatur, TN, with a population of 391 (3.42%). The Black or African American Alone population was the third largest racial group in Decatur, TN, with a population of 270 (2.36%). The smallest racial group in Decatur, TN was Native Hawaiian And Pacific Islander Alone with a population of 5 (0.04%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Decatur, TN, with a population of 10.46K (91.49%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Decatur, TN, with a population of 274 (2.40%). The Non-Hispanic - Black Alone population was the third largest ethnic group in Decatur, TN, with a population of 270 (2.36%). The smallest ethnic group in Decatur, TN 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 Decatur, Tennessee from the 2020 decennial census.

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

Decatur, TN Hispanics and Non Hispanics Population in Census 2020
Total Population:
Decatur, TN Racial Groups in Census 2020
Total Population:
Decatur, TN Ethnicity Groups in Census 2020
Total Population:
Decatur, TN Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 270 2.36
White Alone 10565 92.39
American Indian and Alaska Native Alone 9 0.08
Asian Alone 42 0.37
Native Hawaiian And Pacific Islander Alone 5 0.04
Some Other Race Alone 153 1.34
Two Or More Races 391 3.42
Decatur, TN Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 10462 91.49
Non-Hispanic - Two or More Races 274 2.40
Non-Hispanic - Black Alone 270 2.36
Hispanic - Some Other Race Alone 138 1.21
Hispanic - Two or More Races 117 1.02
Hispanic - White Alone 103 0.90
Non-Hispanic - Asian Alone 42 0.37
Non-Hispanic - Some Other Race Alone 15 0.13
Non-Hispanic - American Indian & Alaska Native 9 0.08
Non-Hispanic - Native Hawaiian & Pac. Islander 5 0.04
Hispanic - Black Alone 0 0.00
Hispanic - American Indian & Alaska Native 0 0.00
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00