Union, Louisiana Demographics & Population 2026
During the 2020–2024 ACS period, Union, Louisiana had a total population of 526, the 350th largest community in Louisiana, with a median household income of $71,563, which is 18% higher than the state average. The poverty rate is 6.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 20.0% is notably above the national average.
Union Quick Facts
How Union 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 | 472 | 526 | +11.4% |
| Median household income | $82,750 | $71,563 | -13.5% |
How Union 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 less diverse community where one racial or ethnic group represents a large majority.
State average: 59 | National average: 61
Education
Educational Attainment (Adults 25+)
Union Rankings in Louisiana
Explore Louisiana Rankings
Other Cities in St. James Parish
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lutcher | 2,991 | $60,375 | 14.1% | $219,600 |
| South Vacherie | 2,954 | $81,310 | 3.7% | $234,600 |
| Gramercy | 2,814 | $67,813 | 11.2% | $225,100 |
| Grand Point | 2,341 | $88,674 | 5.1% | $253,800 |
| North Vacherie | 1,905 | $37,083 | 18.8% | $221,900 |
| Paulina | 1,785 | $88,839 | 2.1% | $283,100 |
| Welcome | 796 | $56,250 | 16.2% | N/A |
| Hester | 654 | $138,879 | 0.0% | $194,000 |
| Convent | 637 | N/A | 4.4% | N/A |
| St. James | 431 | N/A | 3.0% | $181,700 |
Cities Similar to Union
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Junction City | 525 | N/A | N/A | 7.0% | 59.1% |
| Cankton | 514 | $72,000 | $191,100 | 26.5% | 16.2% |
| Napoleonville | 511 | N/A | N/A | 5.3% | 55.0% |
| Siracusaville | 515 | $78,085 | $95,000 | 5.0% | 0.0% |
| Barataria | 544 | $78,869 | $181,500 | 7.4% | 4.8% |
A note before these figures: with a population of 526, Union's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Union is a small community located in Louisiana, within St. James Parish. The total population is 526. It ranks as the 350th most populous out of 488 Census-designated places in Louisiana.
Age Demographics
The median age in Union is 46.3 years. This is 22% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in Union is $71,563. This is 18% higher than the state median of $60,756. It is also 11% lower than the national median of $80,734. The poverty rate stands at 6.1%. This is 68% lower than the state poverty rate of 18.9%. The unemployment rate is 20.0%. This is 218% higher than the state rate of 6.3%. 97.4% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in Union is Black or African American, making up 82.3% of the population. White (non-Hispanic) residents account for 15.6%. The White (non-Hispanic) population (15.6%) is well below the state average of 55.7%. The Black or African American population is significantly higher than the state average (82.3% vs 30.5%). The Hispanic or Latino population (0.8%) is well below the state average of 7.2%.
Education
15.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 42% 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 90.9%.
Data Sources & Methodology
All demographic data for Union, 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 Union, Louisiana?
Union, Louisiana has a population of 526 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Union, LA?
The median household income in Union is $71,563, which is 11% lower than the national median of $80,734.
What is the poverty rate in Union, LA?
The poverty rate in Union is 6.1%. This means approximately 32 residents live below the federal poverty line.
What is the racial makeup of Union, Louisiana?
Union's population is 15.6% White, 82.3% Black, 0.8% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Union, LA?
The Census Bureau does not publish a reliable median home value estimate for Union — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Union, Louisiana?
15.8% of adults (25+) in Union hold a bachelor's degree or higher, and 2.2% hold a graduate or professional degree.