DeKalb County's estimated 2026 population is 22,062 with a growth rate of 0.86% in the past year according to the most recent United States census data. DeKalb County is the 65th largest county in Tennessee. The 2010 population was 18,694 and has seen a growth of 18.02% since that time.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 44.1 years
Male: 39.4 years
There are 16,402 adults, (3,933 of whom are seniors) in DeKalb County.
Female: 10,493 (50.1%)
Male: 10,466 (49.9%)
The racial composition of DeKalb County includes 88.04% White, 4.41% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 18,453 | 88.04% |
| Two or more races | 968 | 4.62% |
| Other race | 924 | 4.41% |
| Black or African American | 325 | 1.55% |
| Asian | 231 | 1.1% |
| Native American | 58 | 0.28% |
DeKalb County's average per capita income is $41,931. Household income levels show a median of $53,153. The poverty rate stands at 18.57%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,896 | - |
| Families | $66,800 | $84,023 |
| Households | $53,153 | $71,610 |
| Non Families | $27,095 | $42,768 |
Average Income
Median Household Income
Poverty Rate