Big Island is located in Marion County, Ohio. Big Island has a 2025 population of 1,184 . Big Island is currently growing at a rate of 0.17% annually but its population has decreased by -0.59% since the most recent census, which recorded a population of 1,191 in 2020.
The average household income in Big Island is $119,037 with a poverty rate of 1.46%. The median age in Big Island is 65.2 years: 62.4 years for males, and 69.1 years for females. For every 100 females there are 80.7 males.
Data after 2023 is projected based on recent change
The racial composition of Big Island includes 99.16% White, and smaller percentages for Two or more races and multiracial populations.
White (99.16%)
Two or more races (0.84%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 948 | 99.16% |
| Two or more races | 8 | 0.84% |
Married
Widowed
Divorced
Separated
Never Married
Big Island's average per capita income is $57,938. Household income levels show a median of $44,861. The poverty rate stands at 1.46%.
Name | Median | Mean |
|---|---|---|
| Families | $80,167 | $174,023 |
| Married Families | $80,167 | - |
| Households | $44,861 | $119,037 |
| Non Families | $31,785 | $37,629 |
Average Income
Median Household Income
Poverty Rate