Grant County's 2026 population is estimated at 18,854, reflecting a 0.82% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grant County is the 36th largest county in Arkansas. The 2010 population was 17,887 and has grown 5.41% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.5 years
Female: 42.1 years
Male: 38.4 years
There are 14,395 adults, (3,369 of whom are seniors) in Grant County.
Female: 8,974 (49.2%)
Male: 9,268 (50.8%)
The racial composition of Grant County includes 91.33% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 16,660 | 91.33% |
| Two or more races | 825 | 4.52% |
| Black or African American | 490 | 2.69% |
| Other race | 152 | 0.83% |
| Asian | 89 | 0.49% |
| Native American | 26 | 0.14% |
Grant County 's average per capita income is $49,364. Household income levels show a median of $71,549. The poverty rate stands at 13.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,439 | - |
| Families | $87,358 | $108,943 |
| Households | $71,549 | $90,620 |
| Non Families | $34,054 | $49,248 |
Average Income
Median Household Income
Poverty Rate