Jefferson Parish Population

1830–2026

430.39K

2026 projection

2.1% since 2020 (decrease)

0100K200K300K400K500K1850190019502000

Source: U.S. Census Bureau decennial counts and annual 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 Jefferson Parish. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026430,392-1,0060.23%
2025431,398-1,0060.23%
2024432,404+3,1480.73%
2023429,256-8300.19%
2022430,086-4,1720.96%
2021434,258-5,4301.23%
2020439,688+5,5921.29%
2019434,096-5410.12%
2018434,637-1,9340.44%
2017436,571-2940.07%

Showing 10 of 34 years.

Jefferson Parish Demographics

40median age

Median age

Female41.2 yrs
Male38.9 yrs

Adults

334,289
80,126 seniors (65+) · 24% of adults254,163 other adults

Sex

Female 51.3% · 221,214Male 48.7% · 209,706

Population by age

MaleFemale85+ years, male: 3,07085+ years, female: 5,88580–84 years, male: 3,53980–84 years, female: 5,13075–79 years, male: 6,66675–79 years, female: 7,74770–74 years, male: 10,85470–74 years, female: 12,42665–69 years, male: 11,52665–69 years, female: 13,28360–64 years, male: 14,36660–64 years, female: 14,85655–59 years, male: 13,33955–59 years, female: 15,03350–54 years, male: 12,60350–54 years, female: 13,06845–49 years, male: 11,97345–49 years, female: 12,54140–44 years, male: 13,77440–44 years, female: 14,06035–39 years, male: 14,47735–39 years, female: 14,64230–34 years, male: 14,47130–34 years, female: 15,49125–29 years, male: 13,36325–29 years, female: 14,26320–24 years, male: 11,50020–24 years, female: 11,90315–19 years, male: 12,63715–19 years, female: 11,86710–14 years, male: 14,40710–14 years, female: 13,5335–9 years, male: 13,2395–9 years, female: 12,3680–4 years, male: 13,9020–4 years, female: 13,11885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 4,309 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

Jefferson Parish Income

$65,252median household income

Median household income

$65,252

Half of households earn more, half earn less

Median earnings

$45,235

Typical yearly pay for a worker 25 or older.

Poverty rate

16.6%

About 1 in 6 residents

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

Jefferson Parish Marital Status

43% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married43%45%41%
Never married36%38%33%
Divorced13%12%13%
Widowed7%3%10%
Separated2%2%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year