Ouachita County's estimated 2026 population is 21,606 with a growth rate of -0.58% in the past year according to the most recent United States census data. Ouachita County is the 30th largest county in Arkansas. The 2010 population was 26,048 and has seen a growth of -17.05% since that time.
Data after 2023 is projected based on recent change
Overall: 43.8 years
Female: 44.9 years
Male: 42.1 years
There are 17,176 adults, (4,719 of whom are seniors) in Ouachita County.
Female: 11,439 (51.8%)
Male: 10,646 (48.2%)
The racial composition of Ouachita County includes 54.57% White, 40.8% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,052 | 54.57% |
| Black or African American | 9,010 | 40.8% |
| Two or more races | 798 | 3.61% |
| Other race | 105 | 0.48% |
| Asian | 71 | 0.32% |
| Native American | 49 | 0.22% |
Ouachita County's average per capita income is $44,576. Household income levels show a median of $49,268. The poverty rate stands at 18.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,990 | - |
| Families | $62,169 | $78,792 |
| Households | $49,268 | $65,528 |
| Non Families | $26,988 | $41,007 |
Average Income
Median Household Income
Poverty Rate