Big Delta is a CDP located in Copper River Census Area, Alaska. Big Delta has a 2025 population of 533 . Big Delta is currently declining at a rate of -0.74% annually and its population has decreased by -14.99% since the most recent census, which recorded a population of 627 in 2020.
The average household income in Big Delta is $103,121 with a poverty rate of 0.46%. The median age in Big Delta is 29.7 years: 24.5 years for males, and 39.3 years for females. For every 100 females there are 174.9 males.
Data after 2023 is projected based on recent change
The racial composition of Big Delta includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 646 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Big Delta's average per capita income is $70,703. Household income levels show a median of $101,250. The poverty rate stands at 0.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,250 | - |
| Households | $101,250 | $103,121 |
| Families | $100,781 | $104,007 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate