Iberville Parish, Louisiana Demographics 2026
Iberville Parish, Louisiana has a population of 29,815, the 34th most populous county in Louisiana. The median household income is $54,000 and the median home value is $172,800. The poverty rate is 19.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Iberville Parish Quick Facts
How Iberville Parish 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 | 29,950 | 29,815 | -0.5% |
| Median household income | $57,459 | $54,000 | -6.0% |
| Median home value | $177,100 | $172,800 | -2.4% |
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+)
Cities & Places in Iberville Parish
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| St. Gabriel | 6,639 | $74,688 | 17.6% | $239,200 |
| Plaquemine | 6,075 | $69,366 | 12.7% | $176,300 |
| 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 |
Explore Louisiana Rankings
Population Overview
Iberville Parish is located in Louisiana with a total population of 29,815. It is the 34th most populous county out of 64 in Louisiana. The county encompasses 9 Census-designated places.
Age Demographics
The median age in Iberville Parish is 40.4 years. This is 6% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in Iberville Parish is $54,000. This is 11% lower than the state median of $60,756. It is also 33% lower than the national median of $80,734. The poverty rate stands at 19.9%. This is 5% higher than the state poverty rate of 18.9%. The unemployment rate is 6.1%. This is 3% lower than the state rate of 6.3%. The median home value is $172,800. Housing costs are 20% lower than the state median of $216,500. The home-value-to-income ratio is 3.2x. 75.1% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in Iberville Parish is White (non-Hispanic), making up 46.0% of the population. Black or African American residents account for 43.2%. The Asian population (0.0%) is well below the state average of 1.7%.
Education
18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 82.8%.
Data Sources & Methodology
All figures for Iberville Parish come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Louisiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Iberville Parish, Louisiana?
Iberville Parish has a population of 29,815, making it the 34th most populous county in Louisiana.
What is the median income in Iberville Parish?
The median household income in Iberville Parish is $54,000 with a poverty rate of 19.9%.
How many cities are in Iberville Parish, Louisiana?
Iberville Parish contains 9 Census-designated places.