Union
Census-designated place in St. James Parish, Louisiana

Union is an unincorporated community (census-designated place) in St. James Parish, Louisiana, with 735 residents (2020 Census). It sits at 23 ft (7 m) above sea level. The nearest town is Lemannville, 2.6 miles NW.
- 735residents (2020 Census)
- 23 ftelevation · 7 m
- 9.5 sq miland area · 24.7 km²
- 77 / sq mipopulation density
- 70723ZIP code
About Union
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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Union
- Median household income
- $71,563
- Median age
- 46.3
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Map of Union
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Union had 735 residents in the 2020 Census.
| 2020 Census | 735 |
|---|---|
| Density | 77 per sq mi (30 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Louisiana (LA) |
|---|---|
| County | St. James Parish |
| Type | Census-designated place |
| Population | 735 (2020) |
| Land area | 9.55 sq mi (24.7 km²) |
| Water area | 1.13 sq mi (2.92 km²) |
| Elevation | 23 ft (7 m) |
| Coordinates | 30.0861° N, 90.8890° W |
| ZIP code | 70723 |
| Census code (GEOID) | 2277035 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Lemannville2.6 mi NW
- Welcome2.9 mi S
- Romeville3.9 mi E
- St. James5.2 mi SE
- Darrow6.2 mi NW
- Donaldsonville6.2 mi W
- Convent6.6 mi SE
- Sorrento6.9 mi N
- Hester8.1 mi SE
- Grand Point8.8 mi E
- Gonzales9.0 mi N
- Moonshine9.5 mi SE
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in St. James Parish, Louisiana.
What is the population of Union, LA?
735 people lived in Union at the 2020 Census.
What is the ZIP code of Union, LA?
The ZIP code of Union is 70723.
What is the elevation of Union?
23 feet (7 m) above sea level.
What towns are near Union?
Lemannville (2.6 mi), Welcome (2.9 mi), Romeville (3.9 mi), St. James (5.2 mi), Darrow (6.2 mi).
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