McNab is a town located in Hempstead County, Arkansas. McNab has a 2026 population of 30. McNab is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 30 in 2020.
The median age in McNab is 20.5 years: 20.3 years for males, and 41.9 years for females. For every 100 females there are 508.3 males.
Data after 2023 is projected based on recent change
Overall: 20.5 years
Female: 41.9 years
Male: 20.3 years
There are 49 adults, (6 of whom are seniors) in McNab.
Female: 12 (16.4%)
Male: 61 (83.6%)
The racial composition of McNab includes 95.89% Black or African American, 4.11% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 70 | 95.89% |
| White | 3 | 4.11% |