Population By Race and Ethnicity in Dekalb, TN in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 20,500 population of Dekalb County, Tennessee comprised of 1,547 people who identified as Hispanic (7.55%), and 18,953 people who identified as Non-Hispanic (92.45%).

Race: The White Alone population was the largest racial group in Dekalb County, Tennessee with a population of 19,345 (94.37%); Black or African American Alone population was the second largest racial group with a population of 453 (2.21%); and Two Or More Races was the third largest racial group with a population of 353 (1.72%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Dekalb County, Tennessee in 2021, with a population of 18,031 (87.96%); the second largest ethnic group was White Alone - Hispanic with a population of 1,314 (6.41%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 337 (1.64%).

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

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

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Hispanics and Non Hispanics in Dekalb, TN in 2021
Total Population:
Race in Dekalb, TN in 2021
Total Population:
Ethnicity in Dekalb, TN in 2021
Total Population:
Population By Race in Dekalb , TN in 2021
Race Population Percentage
Black or African American Alone 453 2.21%
White Alone 19,345 94.37%
American Indian and Alaska Native Alone 109 0.53%
Asian Alone 234 1.14%
Native Hawaiian And Pacific Islander Alone 6 0.03%
Two Or More Races 353 1.72%
Population By Ethnicity in Dekalb , TN in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 116 0.57%
White Alone - Hispanic 1,314 6.41%
American Indian and Alaska Native Alone - Hispanic 39 0.19%
Asian Alone - Hispanic 17 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 60 0.29%
Black or African American Alone - Non Hispanic 337 1.64%
White Alone - Non Hispanic 18,031 87.96%
American Indian and Alaska Native Alone - Non Hispanic 70 0.34%
Asian Alone - Non Hispanic 217 1.06%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 5 0.02%
Two Or More Races - Non Hispanic 293 1.43%