Demographics of Union Parish, Louisiana

Union Parish, Louisiana had 20,561 people on July 1, 2025, by the Census Bureau’s estimate: −536 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Union Parish, in four figures

20,561
Population: July 1, 2025, Vintage 2025 estimate.; −2.5%
Change since July 2020: −536 people.; 43.7 ±0.9
Median age: ACS 2020–⁠2024.; $42,885 ±$5,860
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Union Parish, Louisiana's population shrank 2.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Union Parish, Louisiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Union Parish, Louisiana's population shrank 2.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Union Parish, Louisiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	21,097	100.0	100.0
2021	21,012	99.6	100.2
2022	20,690	98.1	100.7
2023	20,763	98.4	101.6
2024	20,761	98.4	102.5
2025	20,561	97.5	103.1

3 more columns on a wider screen

Population of Union Parish, Louisiana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	21,097	−13	−49	0	+32
2021	21,012	−85	−159	+10	+44
2022	20,690	−322	−191	+20	−140
2023	20,763	+73	−34	+61	+51
2024	20,761	−2	−47	+113	−66
2025	20,561	−200	−52	+51	−195

Age, 2020–2024

The median age is 43.7 ±0.9: for men 42.6 ±1.8 and for women 45.2 ±1.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Union Parish by age, ACS 2020–2024
Age	People	Share	Louisiana	United States
Under 5	1,189 ±182	5.7% ±0.9	6.2% ±<0.1	5.6% ±<0.1
5 to 17	3,295 ±381	15.8% ±1.8	17.3% ±0.1	16.3% ±<0.1
18 to 24	1,659 ±293	8.0% ±1.4	9.1% ±0.1	9.1% ±<0.1
25 to 44	4,493 ±413	21.6% ±2.0	26.6% ±0.1	26.9% ±<0.1
45 to 64	5,535 ±376	26.6% ±1.8	24.1% ±0.1	24.8% ±<0.1
65 and over	4,650 ±408	22.3% ±2.0	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $42,885 ±$5,860, and income per person $28,058 ±$2,402, in 2024 dollars. The median is $60,756 ±$408 in Louisiana and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Union Parish by income, ACS 2020–2024
Household income	Households	Share	Louisiana	United States
Under $25,000	2,657 ±445	31.2% ±5.1	22.4% ±0.3	14.6% ±<0.1
$25,000 to $49,999	1,892 ±351	22.2% ±4.1	20.2% ±0.3	16.7% ±<0.1
$50,000 to $74,999	1,083 ±302	12.7% ±3.5	15.9% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,133 ±289	13.3% ±3.4	11.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,261 ±293	14.8% ±3.4	14.8% ±0.3	17.5% ±<0.1
$150,000 to $199,999	253 ±112	3.0% ±1.3	7.3% ±0.2	9.6% ±<0.1
$200,000 or more	110 to 348	1.3% to 4.1%	7.8% ±0.2	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Union Parish by age, ACS 2020–2024
Age	Below poverty	Rate	Louisiana	United States
All ages	5,945 ±978	29.4% ±4.8	18.9% ±0.3	12.5% ±0.1
Under 18	2,344 ±405	53.2% ±6.1	25.4% ±0.5	16.1% ±0.1
18 to 59	2,519 ±497	25.6% ±4.7	17.7% ±0.3	11.6% ±0.1
60 and over	1,082 ±286	18.1% ±4.6	15.2% ±0.3	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Union Parish, ACS 2020–2024
Measure	Union Parish	Louisiana	United States
Housing units	10,431 ±25	2,108,902 ±333	143,775,355 ±10,234
Occupied	81.6% ±2.7	85.6% ±0.2	89.9% ±0.1
Vacant	18.4% ±2.7	14.4% ±0.2	10.1% ±0.1
Owner occupied	77.8% ±2.9	67.4% ±0.4	65.2% ±0.3
Renter occupied	22.2% ±3.8	32.6% ±0.3	34.8% ±0.1
Median home value	$112,500 ±$13,413	$216,500 ±$1,367	$332,700 ±$236
Median gross rent	$778 ±$48	$1,064 ±$8	$1,413 ±$2
Median year built	1987 ±3	1983 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Union Parish by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Louisiana	United States
Hispanic or Latino	1,216 ±0	5.8% ±<0.1	7.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	14,357 ±44	69.0% ±0.2	55.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	4,888 ±120	23.5% ±0.6	30.5% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 108	0% to 0.5%	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 23	0% to 0.1%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 24	0% to 0.1%	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	295 ±120	1.4% ±0.6	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Union Parish by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Louisiana	United States
Born in the state	16,368 ±545	78.6% ±2.6	77.2% ±0.2	57.3% ±<0.1
Born in another state	3,716 ±517	17.8% ±2.5	17.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 84	0% to 0.4%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	695 ±161	3.3% ±0.8	4.9% ±0.1	14.1% ±<0.1
Naturalized citizens	241 ±110	1.2% ±0.5	2.0% ±0.1	7.4% ±<0.1
Not citizens	454 ±178	2.2% ±0.9	2.9% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Union Parish among the counties of Louisiana

42nd of 64 by population, July 2025. Every one is listed on the Louisiana page.

Counties of Louisiana near Union Parish in population, July 2025
County	July 2025	Change since 2020
Morehouse Parish	23,705	−6.9%
Allen Parish	22,672	< +0.1%
Plaquemines Parish	22,256	−5.3%
Grant Parish	22,075	−0.3%
Sabine Parish	21,834	−1.2%
Union Parish	20,561	−2.5%
Assumption Parish	19,720	−5.9%
Richland Parish	19,582	−2.2%
Pointe Coupee Parish	19,520	−5.6%
Franklin Parish	19,002	−3.6%
St. James Parish	18,938	−5.9%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026