Sullivan County's estimated 2026 population is 5,714 with a growth rate of -0.42% 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 -15.18% since that time.
Data after 2023 is projected based on recent change
Overall: 44.1 years
Female: 45 years
Male: 41.2 years
There are 4,548 adults, (1,218 of whom are seniors) in Sullivan County.
Female: 2,916 (49.8%)
Male: 2,941 (50.2%)
The racial composition of Sullivan County includes 80.09% White, 6.66% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,691 | 80.09% |
| Two or more races | 535 | 9.13% |
| Other race | 390 | 6.66% |
| Black or African American | 157 | 2.68% |
| Asian | 60 | 1.02% |
| Native American | 24 | 0.41% |
Sullivan County's average per capita income is $41,036. Household income levels show a median of $56,964. The poverty rate stands at 13.67%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,045 | - |
| Families | $72,857 | $91,910 |
| Households | $56,964 | $71,803 |
| Non Families | $35,161 | $38,798 |
Average Income
Median Household Income
Poverty Rate
