Otter is located in Cowley County, Kansas. Otter has a 2025 population of 32 . Otter is currently declining at a rate of 0% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 33 in 2020.
The median age in Otter is 47.5 years: 0 years for males, and 0 years for females. For every 100 females there are 631.6 males.
Data after 2023 is projected based on recent change
The racial composition of Otter includes 82.73% White, and smaller percentages for and multiracial populations.
White (82.73%)
Two or more races (17.27%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 115 | 82.73% |
| Two or more races | 24 | 17.27% |
Married
Widowed
Divorced
Separated
Never Married