Jefferson Parish, LA Population

Overview

439,402

Total Population

39.7

Median age

51.39%

Female population %

94.6:100

Gender ratio (M:F)

30-34 years

Largest age group

56.2

Total dependency ratio

White

Largest racial group

65,298

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Jefferson Parish's population is old compared to the rest of the country:

The median age in Jefferson Parish is 39.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Jefferson Parish's population under 18 was 22.29%, compared to the 22.51% nationwide.
Jefferson Parish's elderly or the senior population (over 65 age) was 17.27% as compared to 16.04% nationwide.
Of the total population in Jefferson Parish, 18.71% were under the age of 15, 17.86% aged 15 to 29, 46.16% aged 30 to 64, 15.26% aged 65 to 84, and 2.01% were 85 years of age and older.

There are 12,198 more females than males in Jefferson Parish:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.39% females and 48.61% males in Jefferson Parish, LA.
The Jefferson Parish, LA gender ratio is 94.6:100 i.e. 94.6 men to 100 women (0.946).
For male population, the largest age group is 30-34 years with a population of 15,358.
For the female population, the largest age group is 30-34 years with a population of 16,056.

Jefferson Parish's population has become increasingly diverse:

Racial distribution of Jefferson Parish population: 58.18% are White, 26.87% are Black or African American, 0.36% are American Indian and Alaska Native, 4.18% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 4.70% are some other race and 5.68% are multiracial.
Jefferson Parish's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 65,298 is Hispanic or Latino (of any race), and 374,104 (85.14% of the total population) is Non-Hispanic.
The largest racial group in Jefferson Parish is White with a population of 255,623 (58.18% of the total population).

Jefferson Parish's population has already reached its peak and is showing a trend of decline:

The peak population was 454,721 in the year 2000
From 2000 to 2010, Jefferson Parish's population decreased by 22,103 (4.86%), as compared to the national growth of 9.63%.
From 2010 to 2020, Jefferson Parish's population increased by 7,094 (1.64%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Jefferson Parish's population was lowest in year 2006 at 420,065.