Castine is a village located in Darke County, Ohio. Castine has a 2025 population of 105 . Castine is currently declining at a rate of -0.94% annually and its population has decreased by -1.87% since the most recent census, which recorded a population of 107 in 2020.
The average household income in Castine is $63,565 with a poverty rate of 20.78%. The median age in Castine is 36.5 years: 35.6 years for males, and 46.3 years for females. For every 100 females there are 92.5 males.
Data after 2023 is projected based on recent change
The racial composition of Castine includes 88.31% White, 3.9% Native American, and smaller percentages for and multiracial populations.
White (88.31%)
Two or more races (7.79%)
Native American (3.9%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 68 | 88.31% |
| Two or more races | 6 | 7.79% |
| Native American | 3 | 3.9% |
Married
Widowed
Divorced
Separated
Never Married
Castine's average per capita income is $49,375. Household income levels show a median of $49,375. The poverty rate stands at 20.78%.
Name | Median | Mean |
|---|---|---|
| Families | $68,125 | $80,110 |
| Married Families | $67,500 | - |
| Households | $49,375 | $63,565 |
| Non Families | - | $28,820 |
Average Income
Median Household Income
Poverty Rate