DeKalb County's estimated 2025 population is 44,968 with a growth rate of 0.86% in the past year according to the most recent United States census data. DeKalb County is the 34th largest county in Indiana. The 2010 population was 42,335 and has seen a growth of 6.22% since that time.
Data after 2023 is projected based on recent change
The racial composition of DeKalb County includes 94.97% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 41,393 | 94.97% |
| Two or more races | 1,596 | 3.66% |
| Asian | 248 | 0.57% |
| Other race | 230 | 0.53% |
| Black or African American | 92 | 0.21% |
| Native American | 25 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
DeKalb County's average per capita income is $45,819. Household income levels show a median of $70,080. The poverty rate stands at 10.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,903 | - |
| Families | $83,849 | $98,018 |
| Households | $70,080 | $85,064 |
| Non Families | $39,370 | $49,153 |
Average Income
Median Household Income
Poverty Rate
