Gretna, LA Profile: Facts & Data


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Gretna, Louisiana - Basic Facts

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The City of Gretna had a population of 17,641 as of July 1, 2022. Gretna ranks in the upper 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 Gretna is located at latitude 29.9146 and longitude -90.054 in Jefferson Parish. The formal boundaries for the City of Gretna encompass a land area of 4 sq. miles and a water area of 0.46 sq. miles. Jefferson Parish is in the Central time zone (GMT -6). The elevation is 0 feet.

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

Alternate Unofficial Names for Gretna: Mechancisk Village, Mechanickkham, Mechanicks Village, Mechanikham.

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  1. Gretna 2022 Demographic Data
  2. Growth Rates for Gretna (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Louisiana Research Tools (Easy Tools & Current Data)
  3. Louisiana Data Comparison Tool - 2022 Demographics

Gretna, LA Data & Demographics (As of July 1, 2022)


Total Population 17,641 (100%)
Population in Households 16,671 (94.5%)
Population in Families 12,278 (69.6%)
Population in Group Quarters1 970 ( 5.5%)
Population Density 4,372
Diversity Index2 78


Median Household Income $50,510
Average Household Income $71,402
% of Income for Mortgage4 24%
Per Capita Income $29,094
Wealth Index5 57


Total HU (Housing Units) 8,143 (100%)
Owner Occupied HU 3,487 (42.8%)
Renter Occupied HU 3,752 (46.1%)
Vacant Housing Units 904 (11.1%)
Median Home Value $229,415
Average Home Value $265,297
Housing Affordability Index3 106


Total Households 7,239
Average Household Size 2.30
Family Households 4,105
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population -0.43% -0.51%
Households -0.27% -0.43%
Families   -0.58%
Median Household Income   2.06%
Per Capita Income   2.92%
Owner Occupied HU   0.05%

Gretna, LA - Peer Comparisons by Rank and Percentile

The table below compares Gretna to the other 488 incorporated cities, towns and CDPs in Louisiana by rank and percentile using July 1, 2022 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 # 29 94th
Population Density # 9 98th
Median Household Income # 226 54th
Housing Affordability Index # 70 14th
Per Capita Income # 199 59th
Diversity Index # 8 99th

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

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