Plaquemine, Louisiana Demographics & Population 2026
During the 2020–2024 ACS period, Plaquemine, Louisiana had a total population of 6,075, the 93rd largest city in Louisiana, with a median household income of $69,366, which is 14% higher than the state average. The poverty rate is 12.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Plaquemine Quick Facts
How Plaquemine 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 | 6,136 | 6,075 | -1.0% |
| Median household income | $76,857 | $69,366 | -9.7% |
| Median home value | $181,600 | $176,300 | -2.9% |
How Plaquemine 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+)
Plaquemine Rankings in Louisiana
Explore Louisiana Rankings
Other Cities in Iberville Parish
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| St. Gabriel | 6,639 | $74,688 | 17.6% | $239,200 |
| White Castle | 2,237 | $18,750 | 60.4% | $87,700 |
| Rosedale | 1,034 | N/A | 10.2% | $123,000 |
| Maringouin | 752 | $33,750 | 29.5% | N/A |
| Crescent | 376 | $83,056 | 1.3% | $215,200 |
| Dorseyville | 307 | $155,750 | 0.0% | N/A |
| Grosse Tete | 293 | $56,587 | 11.9% | $160,900 |
| Bayou Goula | 208 | N/A | 33.2% | N/A |
Cities Similar to Plaquemine
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lacombe | 6,310 | $72,813 | $207,900 | 26.8% | 18.0% |
| Schriever | 6,690 | $66,571 | $179,300 | 15.7% | 13.9% |
| St. Gabriel | 6,639 | $74,688 | $239,200 | 24.4% | 17.6% |
| Walker | 6,390 | $80,707 | $227,800 | 17.3% | 12.6% |
| Elmwood | 6,077 | $89,430 | $188,100 | 60.6% | 7.7% |
Population Overview
Plaquemine is a small city located in Louisiana, within Iberville Parish. The total population is 6,075. It ranks as the 93rd most populous out of 488 Census-designated places in Louisiana.
Age Demographics
The median age in Plaquemine is 43.4 years. This is 14% higher than the state median of 38.0 years. 11.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Plaquemine is $69,366. This is 14% higher than the state median of $60,756. It is also 14% lower than the national median of $80,734. The poverty rate stands at 12.7%. This is 33% lower than the state poverty rate of 18.9%. The unemployment rate is 3.8%. This is 40% lower than the state rate of 6.3%. The median home value is $176,300. Housing costs are 19% lower than the state median of $216,500. With a home-value-to-income ratio of just 2.5x, Plaquemine is one of the most affordable housing markets in the area. 77.4% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in Plaquemine is Black or African American, making up 51.4% of the population. White (non-Hispanic) residents account for 40.1%. The Black or African American population is significantly higher than the state average (51.4% vs 30.5%). The Hispanic or Latino population (2.2%) is well below the state average of 7.2%.
Education
17.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 85.9%.
Data Sources & Methodology
All demographic data for Plaquemine, 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.
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Frequently Asked Questions
What is the population of Plaquemine, Louisiana?
Plaquemine, Louisiana has a population of 6,075 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Plaquemine, LA?
The median household income in Plaquemine is $69,366, which is 14% lower than the national median of $80,734.
What is the poverty rate in Plaquemine, LA?
The poverty rate in Plaquemine is 12.7%. This means approximately 767 residents live below the federal poverty line.
What is the racial makeup of Plaquemine, Louisiana?
Plaquemine's population is 40.1% White, 51.4% Black, 2.2% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Plaquemine, LA?
The median home value in Plaquemine is $176,300. The home-value-to-income ratio is 2.5x.
How educated is Plaquemine, Louisiana?
17.2% of adults (25+) in Plaquemine hold a bachelor's degree or higher, and 6.5% hold a graduate or professional degree.