DeKalb County's estimated 2026 population is 9,854 with a growth rate of -0.15% in the past year according to the most recent United States census data. DeKalb County is the 87th largest county in Missouri. The 2010 population was 12,899 and has seen a growth of -23.61% since that time.
Data after 2023 is projected based on recent change
The racial composition of DeKalb County includes 88.25% White, 6.64% Black or African American, and smaller percentages for Asian, Native American, other race and multiracial populations.
White (88.25%)
Black or African American (6.64%)
Two or more races (3.84%)
Asian (0.72%)
Native American (0.34%)
Other race (0.21%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,863 | 88.25% |
| Black or African American | 742 | 6.64% |
| Two or more races | 429 | 3.84% |
| Asian | 80 | 0.72% |
| Native American | 38 | 0.34% |
| Other race | 24 | 0.21% |
Married
Widowed
Divorced
Separated
Never Married
DeKalb County's average per capita income is $47,226. Household income levels show a median of $69,093. The poverty rate stands at 8.65%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,025 | - |
| Families | $90,096 | $98,517 |
| Households | $69,093 | $80,382 |
| Non Families | $38,688 | $48,956 |
Average Income
Median Household Income
Poverty Rate
