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Population Review

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.

Union Parish within Louisiana · Source: US Census TIGER/Line via us-atlas

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

The poverty rate is what most separates Union Parish from the typical county: 23.5% of residents live below the federal poverty line, against 12.4% nationally. With 20,914 residents, Union Parish is a county in Louisiana. It ranks #42 among counties in Louisiana by population.

The typical household earns $45,743, below the US median of $78,538. The poverty rate, 23.5%, is among the steepest of comparable US counties and above the national 12.4%. Housing is relatively affordable, with a median home value of $115,400, with typical rent around $758.

Fewer adults hold degrees here than in most comparable places — 16.0%, below the national 35.0%. Home-based work is uncommon, at 3.6%, below the national 14.0%, and the average commute runs about 33 minutes each way.

The elevated poverty rate is the context for the rest of the profile in Union Parish: it pulls on median income, housing tenure, and the share of residents with a college degree.

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%.

2010 · 23K20102024
Union Parish population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

20,617

Population (2024)

22,842

Population (2010)

22,842

Peak (2010)

-0.72%

Avg Annual Growth

YearPopulation
201022,842
201122,766
201222,528
201322,460
201422,560
201522,490
201622,514
201722,391
201822,209
201922,068
202021,100
202121,013
202220,691
202320,686
202420,617

Race & Ethnicity

White69.7%
Black or African American24.8%
Asian0.0%
Hispanic or Latino (any race)0.9%
Two or More Races0.0%

Age & Sex

43.5

Median Age

51.5%

Female

48.5%

Male

22.0%

Age 65+

Age Distribution

Under 5
6.2%
5–9
4.9%
10–14
6.7%
15–19
7.0%
20–24
4.2%
25–34
10.9%
35–44
11.2%
45–54
11.8%
55–59
6.6%
60–64
8.3%
65–74
13.5%
75–84
6.5%
85+
2.0%

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 rate23.5%+9.3% vs state
Unemployment rate2.8%
Employment-to-population45.5%

Top Industries by Employment

Professional & business services
21.9%
Manufacturing
12.3%
Construction
10.2%
Finance & real estate
9.5%
Agriculture
9.2%
Retail trade
5.0%
Education & health care
4.6%
Information
4.5%

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+

Largest cities in Louisiana

Other counties in Louisiana

Part of Louisiana

Metro areas in Louisiana

County rankings

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.