Big Island township is located in Marion County, Ohio. Big Island township has a 2025 population of 1,172. Big Island township is currently declining at a rate of -0.34% annually and its population has decreased by -1.6% since the most recent census, which recorded a population of 1,191 in 2020.
The average household income in Big Island township is $119,037 with a poverty rate of 1.46%.The median age in Big Island township is 65.2 years: 62.4 years for males, and 69.1 years for females.
Data after 2023 is projected based on recent change
The racial composition of Big Island township includes 99.16% White, and smaller percentages for Two or more races and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 948 | 99.16% |
Two or more races | 8 | 0.84% |
Married
Widowed
Divorced
Separated
Never Married
Big Island township'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