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Union, LA Profile: Facts & Data

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The Union CDP⁽¹⁾ had a population of 526 as of 2020-2024 American Community Survey 5-Year Estimates. Union ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Louisiana. See peer rankings below.

The primary coordinate point for Union is located at latitude 30.0871 and longitude -90.9048 in St. James Parish. The formal boundaries for the Union Census Designated Place encompass a land area of 9.51 sq. miles and a water area of 1.13 sq. miles. St. James Parish is in the Central time zone (GMT -6).

The Union Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Union Census Designated Place is located within Parish Governing Authority District 4, a minor civil division (MCD) of St. James Parish.

A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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Union, LA Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION
Total Population	526 (100%)
Population Density	55 per sq mi
Diversity Index¹	30


INCOME
Median Household Income	$71,563
Per Capita Income	$41,898
Median Home Value	$0

HOUSING
Total HU (Housing Units)	229 (100%)
Owner Occupied HU	190 (83.0%)
Renter Occupied HU	5 (2.2%)
Vacant Housing Units	34 (14.8%)

HOUSEHOLDS
Total Households	195
Average Household Size	2.70
Family Households	121 (62.1%)

NOTES

The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Union, LA - Peer Comparisons by Rank and Percentile

The table below compares Union to the other 489 incorporated cities, towns and CDPs in Louisiana by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description	Rank	Percentile
Total Population	# 351	28th
Population Density	# 459	6th
Median Household Income	# 122	75th
Per Capita Income	# 62	88th
Diversity Index	# 336	31st

Additional comparisons and rankings can be made with a VERY EASY TO USE Louisiana Census Data Comparison Tool.

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Union, LA Profile: Facts & Data

Union, Louisiana - Basic Facts

Union, LA Data & Demographics

POPULATION

INCOME

HOUSING

HOUSEHOLDS

Union, LA - Peer Comparisons by Rank and Percentile

Union, LA - Most Popular Things to Do

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St. James Parish