Union, Louisiana

Community in St. James Parish · population 735 (2020 Census)

Household income: $71,563
Jan low / Jul high: 42° / 91°
Snow a year: 0 in
Tornadoes ≤10 mi since 1950: 22
Median age: 46.3

Union is a community of 735 people in St. James Parish, Louisiana. It ranks better for first-time buyers than 100% of Louisiana towns, better transit than 94% of Louisiana towns, more upscale than 91% of Louisiana towns.

Union in our rankings:

How Union ranks

Percentile among Louisiana towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Louisiana towns.

The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

97.4% of households own their home.

Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Louisiana towns with 500+ people.

Housing	Union	Typical Louisiana town
Median home value	—	$166,450
Median rent	—	$887
Median household income	$71,563	$52,134
Home value ÷ income	—×	3.0×
Homeownership	97.4%	70.4%
Median year built	1973	1979
Seasonal / vacation homes	0.0%	—

Who lives in Union

People	Union	Typical Louisiana town
Median age	46.3	38.4
Age 65 and over	20.0%	17.0%
Under 18	22.8%	—
Bachelor's degree or higher	15.8%	15.8%
Below the poverty line	6.1%	20.4%
Veterans	10.3%	—
Born outside the U.S.	1.0%	—
Work from home	1.6%	4.7%
Average commute	21.7 min	25.8 min
Homes with broadband	75.9%	84.6%

Weather in Union

July highs average 90.6°F and January lows 41.7°F. About 63.4 inches of rain and melted snow fall a year, with 0.1 inches of snow (typical Louisiana town: 0.0 in). Expect about 80 days a year at 90°F or hotter and 16 nights at or below freezing.

NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Donaldsonville 4 Sw station (8.4 mi away).

Tornadoes, storms and disasters

22 tornadoes have passed within 10 miles of Union since 1950, compared with 27 for the typical Louisiana town. 7 rated (E)F2 or stronger. The strongest, an EF3, struck on February 23, 2016 about 5.4 miles from the town center. Tornadoes within 10 miles have caused 3 deaths and 90 injuries since 1950. The most recent was on May 11, 2026.

NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 15 times; the largest was 2.50 inches on April 7, 2003.

Severe weather in St. James Parish since 1996

NOAA Storm Events Database, St. James Parish, 1996–2026 (all event types recorded since 1996). 4 deaths recorded.

St. James Parish has been included in 44 federal disaster or emergency declarations since 1953, most often for flood, other, hurricane.

Declared	Incident	Declaration
January 24, 2026	Winter Storm	EM-3638: Severe Winter Storm
September 16, 2024	Hurricane	DR-4817: Hurricane Francine
September 10, 2024	Hurricane	EM-3614: Tropical Storm Francine
September 13, 2021	Coastal Storm	EM-3574: Tropical Storm Nicholas
August 29, 2021	Hurricane	DR-4611: Hurricane Ida

Jobs and pay in St. James Parish

St. James Parish had 7,650 jobs in 2024, paying an average of $78,993 a year. Unemployment was 4.5% in 2023; in Union itself the ACS puts it at 20%.

BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.

Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Union

Lemannville, LA
2.6 mi · 695 people · home $75,300
Welcome, LA
2.9 mi · 672 people · home —
St. James, LA
5.2 mi · 592 people · home $181,700
Donaldsonville, LA
6.2 mi · 6,695 people · home $185,900
Sorrento, LA
6.9 mi · 1,514 people · home $232,200
Grand Point, LA
8.7 mi · 2,241 people · home $253,800
Gonzales, LA
9.0 mi · 12,231 people · home $225,800
Belle Rose, LA
10.1 mi · 1,698 people · home $123,000

Union questions

Is Union, Louisiana a good place to retire?

On The Town Files lifestyle rankings, Union scores better for retirees than 3% of Louisiana towns and quieter than 81%. 20.0% of residents are 65 or older (median age 46.3).

What is the weather like in Union?

July highs average 90.6°F and January lows 41.7°F (NOAA 1991–2020 normals). It gets about 63.4 inches of precipitation a year and 0.1 inches of snow.

Does Union get tornadoes?

22 tornadoes have passed within 10 miles of Union since 1950 (NOAA Storm Events); the strongest was an EF3 on February 23, 2016. The typical Louisiana town has had 27.

How this page is made. Every number comes from public data, matched to Union's Census boundary (GEOID 2277035). Comparisons use the median of Louisiana towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center.

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
NOAA NCEI U.S. Climate Normals (1991–2020)
NOAA NCEI Storm Events Database (1950–2026)
FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
NCES Common Core of Data (2023–24)
BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)

Data snapshot 2026-11-13.