Ouachita County's 2026 population is estimated at 21,466, reflecting a -0.51% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Ouachita County is the 30th largest county in Arkansas. The 2010 population was 26,048 and has grown -17.59% since 2010.
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
