DeKalb County's 2026 population is estimated at 74,114, reflecting a 0.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). DeKalb County is the 20th largest county in Alabama. The 2010 population was 71,133 and has grown 4.19% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 40.1 years
Male: 38.6 years
There are 54,916 adults, (12,748 of whom are seniors) in DeKalb County.
Female: 36,110 (50%)
Male: 36,159 (50%)
The racial composition of DeKalb County includes 79.65% White, 9.88% other race, and smaller percentages for Native American, Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 57,561 | 79.65% |
| Other race | 7,142 | 9.88% |
| Two or more races | 4,717 | 6.53% |
| Native American | 1,215 | 1.68% |
| Black or African American | 975 | 1.35% |
| Native Hawaiian or Pacific Islander | 517 | 0.72% |
| Asian | 142 | 0.2% |
DeKalb County 's average per capita income is $37,251. Household income levels show a median of $51,204. The poverty rate stands at 22.36%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $73,750 | $88,593 |
| Families | $61,109 | $80,335 |
| Households | $51,204 | $68,235 |
| Non Families | $25,110 | $35,586 |
Average Income
Median Household Income
Poverty Rate