Port Sulphur, Louisiana Demographics & Population 2026
During the 2020–2024 ACS period, Port Sulphur, Louisiana had a total population of 1,593, the 220th largest community in Louisiana, with a median household income of $52,289, which is 14% lower than the state average. The poverty rate is 10.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 8.8% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Unemployment rate of 12.6% is notably above the national average.
Port Sulphur Quick Facts
How Port Sulphur Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,529 | 1,593 | +4.2% |
| Median household income | $54,342 | $52,289 | -3.8% |
| Median home value | $87,300 | $84,200 | -3.6% |
How Port Sulphur Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 59 | National average: 61
Education
Educational Attainment (Adults 25+)
Port Sulphur Rankings in Louisiana
Explore Louisiana Rankings
Other Cities in Plaquemines Parish
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Belle Chasse | 10,934 | $115,012 | 6.2% | $410,000 |
| New Orleans Station | 2,307 | $59,474 | 10.6% | N/A |
| Empire | 988 | $47,083 | 26.8% | $152,900 |
| Buras | 607 | $54,167 | 32.1% | $45,300 |
| Boothville | 586 | $26,514 | 27.7% | $65,700 |
| Pointe a la Hache | 288 | N/A | 92.4% | $37,500 |
| Venice | 259 | $66,989 | 0.0% | N/A |
| Triumph | 120 | N/A | 87.5% | N/A |
Cities Similar to Port Sulphur
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Deville | 1,572 | N/A | $124,600 | 16.6% | 16.2% |
| Amelia | 1,712 | $55,472 | $87,500 | 6.7% | 18.0% |
| Basile | 1,790 | $52,415 | $100,700 | 5.1% | 17.4% |
| Rosepine | 1,702 | $60,625 | $172,600 | 15.1% | 9.5% |
| Henderson | 1,779 | $48,750 | $93,800 | 6.4% | 12.9% |
Population Overview
Port Sulphur is a small community located in Louisiana, within Plaquemines Parish. The total population is 1,593. It ranks as the 220th most populous out of 488 Census-designated places in Louisiana.
Age Demographics
The median age in Port Sulphur is 40.6 years. This is 7% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in Port Sulphur is $52,289. This is 14% lower than the state median of $60,756. It is also 35% lower than the national median of $80,734. The poverty rate stands at 10.8%. This is 43% lower than the state poverty rate of 18.9%. The unemployment rate is 12.6%. This is 100% higher than the state rate of 6.3%. The median home value is $84,200. Housing costs are 61% lower than the state median of $216,500. With a home-value-to-income ratio of just 1.6x, Port Sulphur is one of the most affordable housing markets in the area. 88.8% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in Port Sulphur is Black or African American, making up 47.4% of the population. White (non-Hispanic) residents account for 14.1%. The White (non-Hispanic) population (14.1%) is well below the state average of 55.7%. The Black or African American population is significantly higher than the state average (47.4% vs 30.5%). The Hispanic or Latino population (2.9%) is well below the state average of 7.2%. The Asian population is significantly higher than the state average (3.6% vs 1.7%).
Education
8.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% lower than the state rate of 27.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 78.6%.
Data Sources & Methodology
All demographic data for Port Sulphur, Louisiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Louisiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 488 Census-designated places in Louisiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Louisiana city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Port Sulphur, Louisiana?
Port Sulphur, Louisiana has a population of 1,593 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Port Sulphur, LA?
The median household income in Port Sulphur is $52,289, which is 35% lower than the national median of $80,734.
What is the poverty rate in Port Sulphur, LA?
The poverty rate in Port Sulphur is 10.8%. This means approximately 171 residents live below the federal poverty line.
What is the racial makeup of Port Sulphur, Louisiana?
Port Sulphur's population is 14.1% White, 47.4% Black, 2.9% Hispanic/Latino, and 3.6% Asian.
What is the median home value in Port Sulphur, LA?
The median home value in Port Sulphur is $84,200. The home-value-to-income ratio is 1.6x.
How educated is Port Sulphur, Louisiana?
8.8% of adults (25+) in Port Sulphur hold a bachelor's degree or higher, and 6.8% hold a graduate or professional degree.