Round Valley is a CDP located in Gila County, Arizona. Round Valley has a 2026 population of 507. Round Valley is currently growing at a rate of 0.4% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Round Valley is 37.8 years: 59.3 years for males, and 37.3 years for females. For every 100 females there are 60.6 males.
Data after 2023 is projected based on recent change
Overall: 37.8 years
Female: 37.3 years
Male: 59.3 years
There are 453 adults, (91 of whom are seniors) in Round Valley.
Female: 393 (62.3%)
Male: 238 (37.7%)
The racial composition of Round Valley includes 79.56% White, and smaller percentages for Native American, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 502 | 79.56% |
| Two or more races | 124 | 19.65% |
| Native American | 3 | 0.48% |
| Black or African American | 2 | 0.32% |