Oto is a city located in Woodbury County, Iowa. Oto has a 2026 population of 70. Oto is currently declining at a rate of 0% annually and its population has decreased by -2.78% since the most recent census, which recorded a population of 72 in 2020.
The median age in Oto is 50.7 years: 65.1 years for males, and 48.7 years for females. For every 100 females there are 88.9 males.
Data after 2023 is projected based on recent change
Overall: 50.7 years
Female: 48.7 years
Male: 65.1 years
There are 61 adults, (23 of whom are seniors) in Oto.
Female: 36 (52.9%)
Male: 32 (47.1%)
The racial composition of Oto includes 98.53% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 67 | 98.53% |
| Two or more races | 1 | 1.47% |