Union, LA Profile: Facts, Map & Data


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Union, Louisiana - Basic Facts

The Union Census Designated Place had a population of 966 as of July 1, 2017. 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 30.0861 and longitude -90.889 in St. James Parish. The formal boundaries for the Union Census Designated Place (see map below) 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 elevation is 23 feet.

The Union Census Designated Place (GNIS ID: 2583550) 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.

Beneath the boundary map are tables with Union population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Union: Pointville, Poinville.

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Union Census Designated Place, LA Boundary Map

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Boundary Maps: Parish Governing Authority District 4 | St. James Parish | Louisiana Parishes

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Union, LA Data & Demographics (As of July 1, 2017)


Total Population 966
Daytime Population: Workers 1,764
Daytime Population: Residents 710
Total Daytime Population (TDP) 2,474
Ratio TDP/Total Population1 2.56
Population in Households 966
Population in Familes 818
Population in Group Qrtrs 0
Population Density2 102
Diversity Index3 33


Median Household Income $44,670
Average Household Income $57,922
Per Capita Income $19,247


Total Housing Units 417 (100%)
Owner Occupied HU 239 (57.3%)
Renter Occupied HU 82 (19.7%)
Vacant Housing Units 96 (23.0%)
Median Home Value $83,475
Average Home Value $94,874


Total Households 321
Average Household Size 3.01
Family Households 222
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.11% 0.83%
Households 1.27% 0.92%
Families 1.04% 0.8%
Median Household Income   1.16%
Per Capita Income   2.01%

Union, LA - Peer Comparisons by Rank and Percentile

The table below compares Union to the other 474 incorporated cities, towns and CDPs in Louisiana by rank and percentile using July 1, 2017 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 # 294 38th
Population Density # 436 8th
Diversity Index # 353 26th
Median Household Income # 175 63rd
Per Capita Income # 351 26th

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

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