Sebastian County's 2026 population is estimated at 131,699, reflecting a 0.64% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sebastian County is the 6th largest county in Arkansas. The 2010 population was 125,782 and has grown 4.7% since 2010.
Data after 2023 is projected based on recent change
Overall: 38 years
Female: 39 years
Male: 36.7 years
There are 98,272 adults, (21,959 of whom are seniors) in Sebastian County.
Female: 65,477 (50.8%)
Male: 63,423 (49.2%)
The racial composition of Sebastian County includes 68.04% White, 10.13% other race, 5.16% Black or African American, 4.46% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 87,701 | 68.04% |
| Two or more races | 14,636 | 11.35% |
| Other race | 13,058 | 10.13% |
| Black or African American | 6,646 | 5.16% |
| Asian | 5,743 | 4.46% |
| Native American | 1,038 | 0.81% |
| Native Hawaiian or Pacific Islander | 78 | 0.06% |
Sebastian County 's average per capita income is $42,153. Household income levels show a median of $57,790. The poverty rate stands at 15.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,268 | $128,744 |
| Families | $72,984 | $108,382 |
| Households | $57,790 | $87,364 |
| Non Families | $35,153 | $44,306 |
Average Income
Median Household Income
Poverty Rate
