DeKalb County, TN — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
20,551
Male
10,410
50.7%
Female
10,141
49.3%
Median Age
42.2 yrs
Avg Household Size
2.4
Foreign Born
5.0%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher14.1%
High School or Higher42.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.2%
Disability
0.0%
Non-English Home
12.3%
Married
44.4%
DeKalb County, TN has a population of 20,551 according to 2023 Census Bureau estimates. The median age is 42.2 years. The largest racial or ethnic group is White at 88.8% of the population. 14.1% of residents hold a bachelor's degree or higher. 5.0% of residents are foreign-born.