Otterville is a town located in Greene County, Illinois. Otterville has a 2026 population of 81. Otterville is currently declining at a rate of -1.22% annually and its population has decreased by -5.81% since the most recent census, which recorded a population of 86 in 2020.
The median household income in Otterville is $65,991 with a poverty rate of 12.8%. The median age in Otterville is 65.6 years: 67.5 years for males, and 65.4 years for females. For every 100 females there are 133.3 males.
Data after 2023 is projected based on recent change
Overall: 65.6 years
Female: 65.4 years
Male: 67.5 years
There are 121 adults, (66 of whom are seniors) in Otterville.
Female: 54 (42.9%)
Male: 72 (57.1%)
The racial composition of Otterville includes 96.83% White, and smaller percentages for Native American, Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 122 | 96.83% |
| Native American | 3 | 2.38% |
| Two or more races | 1 | 0.79% |
Otterville 's average per capita income is $33,375. Household income levels show a median of $65,991. The poverty rate stands at 12.8%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $66,121 | $64,765 |
| Married Families | $66,034 | - |
| Households | $65,991 | $59,303 |
| Non Families | - | $42,553 |
Average Income
Median Household Income
Poverty Rate