Grand Isle, LA Profile: Facts, Map & Data


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Grand Isle, Louisiana - Basic Facts

The Town of Grand Isle had a population of 1,286 as of July 1, 2016. Grand Isle ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Louisiana. See peer rankings below.

The primary coordinate point for Grand Isle is located at latitude 29.2129 and longitude -90.0291 in Jefferson Parish. The formal boundaries for the Town of Grand Isle (see map below) encompass a land area of 6.4 sq. miles and a water area of 1.77 sq. miles. Jefferson Parish is in the Central time zone (GMT -6). The elevation is 7 feet.

The Town of Grand Isle (GNIS ID: 2406599) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Town of Grand Isle is located within Parish Governing Authority District 1, a minor civil division (MCD) of Jefferson Parish.

Beneath the boundary map are tables with Grand Isle population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

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Town of Grand Isle, LA Boundary Map

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Boundary Maps: Parish Governing Authority District 1 | Jefferson Parish | Louisiana Parishes

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Grand Isle, LA Data & Demographics (As of July 1, 2016)


Total Population 1,286
Population in Households 1,279
Population in Familes 954
Population in Group Qrtrs 7
Population Density1 201
Diversity Index2 22


Total Households 571
Average Household Size 2.24
Family Households 336
Average Family Size 3


Total Housing Units 1,945 (100%)
Owner Occupied HU 410 (21.1%)
Renter Occupied HU 161 ( 8.3%)
Vacant Housing Units 1,374 (70.6%)
Median Home Value $177,972
Average Home Value $200,244


Median Household Income $39,918
Average Household Income $47,855
Per Capita Income $21,444
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.12% -0.03%
Households 0.17% 0.17%
Families -0.19% -0.06%
Median Household Income   -0.15%
Per Capita Income   1.36%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Grand Isle, LA - Peer Comparisons by Rank and Percentile

The table below compares Grand Isle to the other 474 incorporated cities, towns and CDPs in Louisiana by rank and percentile using July 1, 2016 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 # 251 47th
Population Density1 # 383 19th
Diversity Index2 # 406 15th
Median Household Income # 225 53rd
Per Capita Income # 233 51st

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

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