Port Sulphur is a CDP located in Plaquemines Parish, Louisiana. Port Sulphur has a 2025 population of 1,551 . Port Sulphur is currently declining at a rate of -0.89% annually and its population has decreased by -28.66% since the most recent census, which recorded a population of 2,174 in 2020.
The average household income in Port Sulphur is $68,956 with a poverty rate of 10.68%. The median age in Port Sulphur is 34.2 years: 21.9 years for males, and 48.5 years for females. For every 100 females there are 193.5 males.
Data after 2023 is projected based on recent change
The racial composition of Port Sulphur includes 59.84% Black or African American, 15.57% White, and smaller percentages for Asian, Native American, other race and multiracial populations.
Black or African American (59.84%)
Two or more races (20.73%)
White (15.57%)
Asian (2.22%)
Native American (0.92%)
Other race (0.72%)
Race | Population | Percentage (of total) |
|---|---|---|
| Black or African American | 915 | 59.84% |
| Two or more races | 317 | 20.73% |
| White | 238 | 15.57% |
| Asian | 34 | 2.22% |
| Native American | 14 | 0.92% |
| Other race | 11 | 0.72% |
Married
Widowed
Divorced
Separated
Never Married
Port Sulphur's average per capita income is $53,795. Household income levels show a median of $54,342. The poverty rate stands at 10.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,631 | - |
| Families | $57,195 | $78,526 |
| Households | $54,342 | $68,956 |
| Non Families | $16,250 | $24,156 |
Average Income
Median Household Income
Poverty Rate