Union Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 42nd-largest in Louisiana
The population of Union Parish, Louisiana is 20,914 as of the 2023 American Community Survey, making it the 42nd-largest county in Louisiana. The median household income is $45,743, the median home value is $115,400, and the median age is 43.5.
The population of Union Parish has declined 9.7% since 2010 (22,842 → 20,617), a -0.73% annualized rate.
20,914
Population
-0.73%
Annual growth
24
People / sq mi
$45,743
Median Income
$115,400
Median Home Value
Union Parish covers 877 sq mi of land at 23.8 people per square mile.
About Union Parish, LA
Union Parish is a county in Louisiana with a population of 20,914. It ranks #42 among counties in Louisiana by population. The median age is 43.5, older than the national median. The population is 48.5% male and 51.5% female.
The median household income in Union Parish is $45,743, below the US median of $74,580. 23.5% of residents live below the federal poverty level. Home values sit at a median of $115,400, with monthly rent averaging $758. The homeownership rate of 76.1% is higher than the national rate of 64.8%.
Educational attainment in Union Parish reflects 16.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 33.0 minutes each way.
Union Parish Population History (2010-2024)
The county of Union Parish had a population of 22,842 in 2010 and 20,617 in 2024, a -9.7% growth over 14 years. The peak was 22,842 in 2010. Average annual growth rate: -0.72%.
20,617
Population (2024)
22,842
Population (2010)
22,842
Peak (2010)
-0.72%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 22,842 |
| 2011 | 22,766 |
| 2012 | 22,528 |
| 2013 | 22,460 |
| 2014 | 22,560 |
| 2015 | 22,490 |
| 2016 | 22,514 |
| 2017 | 22,391 |
| 2018 | 22,209 |
| 2019 | 22,068 |
| 2020 | 21,100 |
| 2021 | 21,013 |
| 2022 | 20,691 |
| 2023 | 20,686 |
| 2024 | 20,617 |
Race & Ethnicity
| White | 69.7% |
| Black or African American | 24.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
43.5
Median Age
51.5%
Female
48.5%
Male
22.0%
Age 65+
Age Distribution
Children (under 15): 17.8% · Seniors (65+): 22.0%
Income & Poverty
| Median household income | $45,743$-14,280 vs state |
| Mean household income | $64,887 |
| Per-capita income | $27,835 |
| Poverty rate | 23.5%+9.3% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 45.5% |
Top Industries by Employment
The largest employment sector in Union Parish is professional & business services, accounting for 21.9% of workers.
How residents commute
0.0%
Drive alone
1.8%
Carpool
85.3%
Public transit
3.6%
Work from home
33.0 min
Avg commute
Housing
$115,400$-93,300 vs state
Median home value
$758
Median rent
76.1%
Homeownership rate
10,416
Total housing units
79.2%
Occupied
20.8%
Vacant
23.9%
Renter-occupied
Social & access
91.9%
With health insurance
86.1%
With broadband internet
21.3%
Foreign-born
6.5%
Veterans (18+)
16.6%
With a disability
96.7%
Speak language other than English at home
Education
86.4%
High School+
16.0%
Bachelor's+
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Frequently Asked Questions
Union Parish, Louisiana has a population of 20,914 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 42nd-largest county in Louisiana. Population density is 24 people per square mile.
The population of Union Parish has declined 9.7% since 2010 (22,842 → 20,617), a -0.73% annualized rate.
The median household income in Union Parish, Louisiana is $45,743, with mean (average) household income of $64,887 and per-capita income of $27,835. 23.5% of residents live below the federal poverty level.
In Union Parish, the largest racial and ethnic groups are White (69.7%), Black or African American (24.8%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Union Parish, Louisiana is 43.5 years. Residents are 51.5% female and 48.5% male.
The median home value in Union Parish is $115,400 and median monthly rent is $758. 76.1% of occupied housing units are owner-occupied. The county has 10,416 total housing units, 20.8% of which are vacant.
The largest employment sector in Union Parish, Louisiana is professional, scientific, and management services, employing 21.9% of workers. The unemployment rate is 2.8%.
New Orleans is among the largest cities associated with Union Parish, Louisiana, with a population of 376,035.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.