Ocosta is a CDP located in Grays Harbor County, Washington. Ocosta has a 2025 population of 139 . Ocosta is currently growing at a rate of 6.92% annually but its population has decreased by -26.84% since the most recent census, which recorded a population of 190 in 2020.
The average household income in Ocosta is $49,056 with a poverty rate of 23.95%. The median age in Ocosta is 56.7 years: 56 years for males, and 65.3 years for females. For every 100 females there are 135.2 males.
Data after 2023 is projected based on recent change
The racial composition of Ocosta includes 95.21% White, and smaller percentages for and multiracial populations.
White (95.21%)
Two or more races (4.79%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 159 | 95.21% |
| Two or more races | 8 | 4.79% |
Married
Widowed
Divorced
Separated
Never Married
Ocosta's average per capita income is $56,827. Household income levels show a median of $39,688. The poverty rate stands at 23.95%.
Name | Median | Mean |
|---|---|---|
| Households | $39,688 | $49,056 |
| Families | - | $69,640 |
| Married Families | - | - |
| Non Families | - | $23,022 |
Average Income
Median Household Income
Poverty Rate