Gretna Population

1850–2026

17,272

2026 projection

3% since 2020 (decrease)

05K10K15K20K25K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Gretna. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202617,272-880.51%
202517,360-580.33%
202417,418+780.45%
202317,340-510.29%
202217,391-1771.01%
202117,568-2461.38%
202017,814-470.26%
201917,861-190.11%
201817,880-780.43%
201717,958-270.15%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Gretna has a population change lower than Jefferson Parish, Louisiana, and the U.S.

  • United States+3.1%
  • Louisiana−0.7%
  • Jefferson Parish−1.9%
  • Gretna−2.3%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Gretna Demographics

38.3median age

Median age

Female38.3 yrs
Male38.3 yrs

Adults

13,486
2,846 seniors (65+) · 21% of adults10,640 other adults

Sex

Female 49% · 8,527Male 51% · 8,862

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 174 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Gretna Income

$43,110median household income

Median household income

$43,110

Half of households earn more, half earn less

Median earnings

$35,824

Typical yearly pay for a worker 25 or older.

Poverty rate

26.9%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Gretna Marital Status

33% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married33%35%31%
Never married43%45%40%
Divorced16%13%18%
Widowed6%3%9%
Separated3%4%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201