St. Mary Parish, Louisiana Income Statistics
St. Mary Parish Wealth Score
The wealth index reflects the overall economic prosperity and financial well-being of a county's residents based on income levels, employment rates, and income inequality metrics.
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D
St. Mary Parish Well below average
Source: Map AI Methodology
Income Statistics Overview
| Metric | St. Mary Parish | Louisiana Avg | US Average |
|---|---|---|---|
| Median Household Income | $53,303 | $60,934 | $80,455 |
| Median Personal Income | $44,790 | $53,184 | $60,758 |
| Average Yearly Income Growth | 3.4% | 3.7% | 4.8% |
| Six-Figure Earners | 6.0% | 9.7% | 13.9% |
| $200k+ Households | 3.9% | 7.8% | 13.2% |
The median household income in St. Mary Parish is about 13% lower than in Louisiana. Income has been growing slower in St. Mary Parish (3.4%/yr) than in Louisiana (3.7%/yr).
About 6% of adults in St. Mary Parish earn six figures ($100,000 or more) a year, lower than the Louisiana average of 10%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in St. Mary Parish, Louisiana grew by 38.5% from 2009 to 2024, reaching $53,303 in 2024. That's an average of about 3.4% per year.
Income Inequality and the Gender Pay Gap in St. Mary Parish
| Metric | St. Mary Parish | Louisiana Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.565 | 0.574 | 0.552 |
| Male Median Income | $54,906 | $65,171 | $69,667 |
| Female Median Income | $36,769 | $47,031 | $56,850 |
| Gender Pay Gap | 33.0% | 27.8% | 18.4% |
The Gini coefficient measures how evenly income is shared between richer and poorer households, from 0 (everyone earns the same) to 1 (one household earns nearly everything). The lower the number, the more equally income is distributed. In St. Mary Parish, it is 0.565, lower than Louisiana's 0.574, so income is more evenly distributed here than there, and higher than the US's 0.552, so income is less evenly distributed here than there.
Men's income is about 49% more than women's income in St. Mary Parish, Louisiana. Over a 35-year career, a 49% wage gap accumulates to roughly $634,795 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in St. Mary Parish, Louisiana has narrowed from about 47% to 33% in 2024. Over that period the gap was narrowest at 25% in 2022. In dollar terms, the gap has narrowed by $4,323 since 2009.
Employment
| Metric | St. Mary Parish | Louisiana Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 5.4% | 6.2% | 5.2% |
| Working from Home | 5.5% | 8.1% | 15.0% |
| Commute time (minutes) | 15 | 21 | 22 |
Approximately 1,086 people are unemployed in St. Mary Parish, Louisiana.
The average commute time in St. Mary Parish is 15 minutes, shorter than the 21 minutes in Louisiana.
Unemployment Rate Over Time
Since 2011, the unemployment rate in St. Mary Parish, Louisiana has fallen from 8.7% to 5.4% in 2024. Over that period the rate peaked at 12.1% in 2015.
St. Mary Parish, LA Wealth Compared With Nearby Counties
St. Mary Parish, LA is typical in size for this group, 47,828 residents against a local median of 51,353, so the measures below are close to a like for like comparison. Where St. Mary Parish, LA breaks from the counties next to it is income growth, sitting 23% above the local median of 2.8%/yr at 3.4%/yr. That is the better end of the local range on this measure.
The counties themselves spread 2.3%/yr on income growth, so St. Mary Parish, LA sits at one end of an already wide local range rather than apart from it. St. Mary Parish, LA has the 2nd highest income growth of the 6 areas compared here.
| Area | Population | Median household income | Income growthAverage yearly change in median household income since 2016. Each year is measured in its own dollars, so this is growth before inflation. | Unemployment | Income inequalityGini coefficient: 0 would mean every household earns the same, 1 that a single household earns everything. The lower the number, the more equally income is shared here. |
|---|---|---|---|---|---|
| St. Mary Parish, LA | 47,828 | $53,303 #5/6 | 3.4%/yr #2/6 | 5.4% #4/6 | 0.565 #3/6 |
| Iberia Parish, LA | 68,630 | $56,492 | 3.0%/yr | 7.3% | 0.579 |
| Assumption Parish, LA | 20,480 | $52,234 | 1.4%/yr | 4.8% | 0.560 |
| St. Martin Parish, LA | 51,353 | $56,973 | 2.8%/yr | 4.0% | 0.547 |
| Iberville Parish, LA | 29,819 | $55,441 | 2.3%/yr | 6.1% | 0.604 |
| Terrebonne Parish, LA | 106,185 | $64,594 | 3.7%/yr | 4.7% | 0.569 |
Conclusion
Considering all these factors, St. Mary Parish, Louisiana has an overall wealth index grade of D, making it somewhat worse than Louisiana, and somewhat worse than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in St. Mary Parish, Louisiana.
How Rich Is St. Mary Parish, Louisiana?
St. Mary Parish has a wealth index grade of D. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; a D grade means residents are somewhat worse off than the U.S. average. The median household income is $53,303, about 13% lower than the Louisiana average of $60,934.
How has median household income changed in St. Mary Parish, Louisiana?
Between 2009 and 2024, the median household income in St. Mary Parish, Louisiana rose 39%, from $38,485 to $53,303. Over the same years, income here lagged behind Louisiana as a whole: +39% against +44%.
What was the median household income in St. Mary Parish in 2023?
In 2023, the median household income in St. Mary Parish, Louisiana was $52,129, up 8% from $48,467 in 2022. The Louisiana median that year was $60,038.
What was the median household income in St. Mary Parish in 2020?
In 2020, the median household income in St. Mary Parish, Louisiana was $40,282. By 2024 it had risen 32% to $53,303.
What is the Gini coefficient in St. Mary Parish, Louisiana?
The Gini coefficient in St. Mary Parish is 0.565. It measures income inequality on a scale from 0 (everyone earns the same) to 1 (one household earns everything). That is higher than the US average of 0.552, so income is distributed less equally than in the country overall.
How has the income gap between men and women changed in St. Mary Parish, Louisiana?
Since 2009, the income gap between men and women in St. Mary Parish, Louisiana has narrowed from about 47% to 33% in 2024. Over that period the gap was narrowest at 25% in 2022. In dollar terms, the gap has narrowed by $4,323 since 2009.
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