Sullivan County's estimated 2025 population is 5,759 with a growth rate of -0.33% in the past year according to the most recent United States census data. Sullivan County is the 106th largest county in Missouri. The 2010 population was 6,737 and has seen a growth of -14.52% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sullivan County includes 83.38% White, 5.71% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
White (83.4%)
Two or more races (7.5%)
Other race (5.7%)
Black or African American (2.5%)
Asian (0.8%)
Native American (0.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,922 | 83.38% |
| Two or more races | 441 | 7.47% |
| Other race | 337 | 5.71% |
| Black or African American | 146 | 2.47% |
| Asian | 44 | 0.75% |
| Native American | 13 | 0.22% |
Married
Widowed
Divorced
Separated
Never Married
Sullivan County's average per capita income is $40,598. Household income levels show a median of $55,500. The poverty rate stands at 14.74%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,700 | - |
| Families | $69,043 | $85,396 |
| Households | $55,500 | $68,319 |
| Non Families | $35,324 | $39,962 |
Average Income
Median Household Income
Poverty Rate
