Plaquemines Parish's 2026 population is estimated at 22,155, reflecting a -0.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Plaquemines Parish is the 40th largest parish in Louisiana. The 2010 population was 23,120 and has grown -4.17% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 37.5 years
Male: 37.5 years
There are 17,187 adults, (3,221 of whom are seniors) in Plaquemines Parish.
Female: 11,025 (48.3%)
Male: 11,778 (51.7%)
The racial composition of Plaquemines Parish includes 60.04% White, 21.1% Black or African American, 3.5% Asian, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,692 | 60.04% |
| Black or African American | 4,811 | 21.1% |
| Two or more races | 2,677 | 11.74% |
| Asian | 797 | 3.5% |
| Other race | 528 | 2.32% |
| Native American | 298 | 1.31% |
Plaquemines Parish 's average per capita income is $52,847. Household income levels show a median of $86,315. The poverty rate stands at 12.88%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $120,245 | - |
| Families | $97,481 | $114,923 |
| Households | $86,315 | $100,930 |
| Non Families | $33,802 | $50,928 |
Average Income
Median Household Income
Poverty Rate