Demographics of Jefferson Parish, Louisiana

Jefferson Parish, Louisiana had 431,398 people on July 1, 2025, by the Census Bureau’s estimate: −8,290 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Jefferson Parish, in four figures

431,398
Population: July 1, 2025, Vintage 2025 estimate.; −1.9%
Change since July 2020: −8,290 people.; 40.0 ±0.3
Median age: ACS 2020–⁠2024.; $65,252 ±$1,992
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Jefferson Parish, Louisiana's population shrank 1.9% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Jefferson Parish, Louisiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Jefferson Parish, Louisiana's population shrank 1.9% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Jefferson Parish, Louisiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	439,688	100.0	100.0
2021	434,258	98.8	100.2
2022	430,086	97.8	100.7
2023	429,256	97.6	101.6
2024	432,404	98.3	102.5
2025	431,398	98.1	103.1

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Population of Jefferson Parish, Louisiana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	439,688	−1,053	−272	+78	−890
2021	434,258	−5,430	+369	+893	−6,581
2022	430,086	−4,172	+318	+6,252	−11,119
2023	429,256	−830	+852	+6,527	−8,277
2024	432,404	+3,148	+626	+7,772	−5,252
2025	431,398	−1,006	+494	+4,107	−5,553

Age, 2020–2024

The median age is 40.0 ±0.3: for men 38.9 ±0.3 and for women 41.2 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Jefferson Parish by age, ACS 2020–2024
Age	People	Share	Louisiana	United States
Under 5	27,020 ±56	6.3% ±<0.1	6.2% ±<0.1	5.6% ±<0.1
5 to 17	69,611 ±1,763	16.2% ±0.4	17.3% ±0.1	16.3% ±<0.1
18 to 24	31,843 ±1,118	7.4% ±0.3	9.1% ±0.1	9.1% ±<0.1
25 to 44	114,541 ±1,681	26.6% ±0.4	26.6% ±0.1	26.9% ±<0.1
45 to 64	107,779 ±1,663	25.0% ±0.4	24.1% ±0.1	24.8% ±<0.1
65 and over	80,126 ±1,827	18.6% ±0.4	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $65,252 ±$1,992, and income per person $37,862 ±$683, in 2024 dollars. The median is $60,756 ±$408 in Louisiana and $80,734 ±$166 in the United States.

Households by income

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Households in Jefferson Parish by income, ACS 2020–2024
Household income	Households	Share	Louisiana	United States
Under $25,000	33,774 ±1,809	19.1% ±1.0	22.4% ±0.3	14.6% ±<0.1
$25,000 to $49,999	35,592 ±1,831	20.1% ±1.0	20.2% ±0.3	16.7% ±<0.1
$50,000 to $74,999	29,796 ±1,550	16.8% ±0.9	15.9% ±0.2	15.5% ±<0.1
$75,000 to $99,999	21,981 ±1,417	12.4% ±0.8	11.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	26,923 ±1,366	15.2% ±0.8	14.8% ±0.3	17.5% ±<0.1
$150,000 to $199,999	13,652 ±1,001	7.7% ±0.6	7.3% ±0.2	9.6% ±<0.1
$200,000 or more	15,285 ±1,005	8.6% ±0.6	7.8% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Jefferson Parish by age, ACS 2020–2024
Age	Below poverty	Rate	Louisiana	United States
All ages	70,927 ±4,063	16.6% ±1.0	18.9% ±0.3	12.5% ±0.1
Under 18	22,485 ±1,766	23.5% ±1.7	25.4% ±0.5	16.1% ±0.1
18 to 59	35,095 ±2,298	15.7% ±1.0	17.7% ±0.3	11.6% ±0.1
60 and over	13,347 ±1,115	12.3% ±1.0	15.2% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Jefferson Parish, ACS 2020–2024
Measure	Jefferson Parish	Louisiana	United States
Housing units	194,418 ±143	2,108,902 ±333	143,775,355 ±10,234
Occupied	91.0% ±0.6	85.6% ±0.2	89.9% ±0.1
Vacant	9.0% ±0.6	14.4% ±0.2	10.1% ±0.1
Owner occupied	62.6% ±1.0	67.4% ±0.4	65.2% ±0.3
Renter occupied	37.4% ±1.2	32.6% ±0.3	34.8% ±0.1
Median home value	$251,400 ±$3,985	$216,500 ±$1,367	$332,700 ±$236
Median gross rent	$1,190 ±$13	$1,064 ±$8	$1,413 ±$2
Median year built	1975 ±1	1983 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Jefferson Parish by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Louisiana	United States
Hispanic or Latino	81,368 ±0	18.9% ±<0.1	7.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	203,428 ±979	47.2% ±0.2	55.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	108,244 ±1,510	25.1% ±0.4	30.5% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	17,986 ±636	4.2% ±0.1	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	558 ±133	0.1% ±<0.1	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	100 ±40	< 0.1% ±<0.1	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	3,174 ±873	0.7% ±0.2	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	16,062 ±1,880	3.7% ±0.4	3.8% ±0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Jefferson Parish by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Louisiana	United States
Born in the state	300,117 ±2,736	69.6% ±0.6	77.2% ±0.2	57.3% ±<0.1
Born in another state	62,158 ±2,489	14.4% ±0.6	17.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	5,874 ±818	1.4% ±0.2	0.7% ±<0.1	1.7% ±<0.1
Born abroad	62,771 ±2,264	14.6% ±0.5	4.9% ±0.1	14.1% ±<0.1
Naturalized citizens	25,707 ±1,393	6.0% ±0.3	2.0% ±0.1	7.4% ±<0.1
Not citizens	37,064 ±2,160	8.6% ±0.5	2.9% ±0.1	6.8% ±<0.1

Jefferson Parish among the counties of Louisiana

2nd of 64 by population, July 2025. Every one is listed on the Louisiana page.

Counties of Louisiana near Jefferson Parish in population, July 2025
County	July 2025	Change since 2020
East Baton Rouge Parish	456,180	+0.1%
Jefferson Parish	431,398	−1.9%
Orleans Parish	362,154	−5.5%
St. Tammany Parish	279,108	+5.3%
Lafayette Parish	257,949	+6.5%
Caddo Parish	224,226	−5.4%
Calcasieu Parish	208,466	−3.7%

Elsewhere on the site

Rankings this appears in

No. 2 Counties by population in Louisiana
No. 29 Counties by population growth in Louisiana

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026