Nelson is a CDP located in Pima County, Arizona. Nelson has a 2026 population of 329. Nelson is currently growing at a rate of 1.23% 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 Nelson is 19.1 years: 13.2 years for males, and 34.6 years for females. For every 100 females there are 208.9 males.
Data after 2023 is projected based on recent change
Overall: 19.1 years
Female: 34.6 years
Male: 13.2 years
There are 265 adults, (45 of whom are seniors) in Nelson.
Female: 168 (32.4%)
Male: 351 (67.6%)
The racial composition of Nelson includes 82.66% other race, 17.34% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Other race | 429 | 82.66% |
| White | 90 | 17.34% |