San Ardo is a CDP located in Monterey County, California. San Ardo has a 2026 population of 473. San Ardo is currently declining at a rate of -0.42% 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 San Ardo is 25.7 years: 26.3 years for males, and 22.3 years for females. For every 100 females there are 124.3 males.
Data after 2023 is projected based on recent change
Overall: 25.7 years
Female: 22.3 years
Male: 26.3 years
There are 257 adults, (15 of whom are seniors) in San Ardo.
Female: 206 (44.6%)
Male: 256 (55.4%)
The racial composition of San Ardo includes 49.35% White, 47.4% other race, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 228 | 49.35% |
| Other race | 219 | 47.4% |
| Two or more races | 15 | 3.25% |