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Union

LouisianaCDP

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Total population

526

Median home value

$0

15.8%

Bachelor's+

Median income

$71,563

Union$72k
National$74k
Elevation23 m
Land area27.54 km²
Weather92°F · Mostly Sunny
Coordinates30.09°, -90.89°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Elevation
23 m
Area
27.54 km²

Facts from Wikidata (CC0).

Overview

Union is an unincorporated community and census-designated place in St. James Parish, Louisiana, United States. As of the 2020 census, Union had a population of 735. The community is located along Louisiana Highway 44 on the east bank of the Mississippi River.

Read more on Wikipedia

History & geography

Geography

According to the U.S. Census Bureau, the community has an area of ; of its area is land, and is water.

Read full article on Wikipedia

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
46.3
Median home value
—
Housing units
229
Poverty rate
6.1%
Unemployment
20%

Race & ethnicity

White
15.6%
Black
82.3%
Asian
0%
Hispanic
0.8%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
30.0861
Longitude
-90.8890
Water area
1.13 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

This Afternoon
92°F
Mostly Sunny
Tonight
72°F
Partly Cloudy
Friday
89°F
Mostly Sunny
Friday Night
70°F
Mostly Clear
Saturday
91°F
Mostly Sunny
Saturday Night
71°F
Partly Cloudy

Forecast for Union, LA from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
42.9%
Diabetes
14.5%
Adult obesity
46%
Binge drinking
16.7%
Adult smoking
16.1%
No leisure activity
31.5%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Schools

Earthquake history

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Geography & sun

Avg solar (kWh/m²/day)
4.66
Annual solar (kWh/m²)
1,702

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
48
Avg daily Wikipedia views
2
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Union

Search results from Open Library.

Recent natural events nearby

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Ground air-quality sensors

Recently spotted species

Nearest stream gauge

Site
Panama Canal at Hwy 44 near Gonzales, LA
Distance
6.1 mi
Gage height
1.44 ft

Live readings from USGS NWIS · measured 2026-09-24 14:00 UTC.

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS NWIS (water data)
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library
  • • NASA EONET