Port Jefferson Population

2010–2026

336

2026 projection

6.7% since 2020 (increase)

0100200300400201020122014201620182020202220242026

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 Port Jefferson. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026336-20.59%
2025338+299.39%
202430900.00%
202330900.00%
2022309-30.96%
2021312-30.95%
2020315-4612.74%
2019361+20.56%
2018359-41.10%
2017363-10.27%

Showing 10 of 17 years.

Port Jefferson Demographics

51.1median age

Median age

Female49 yrs
Male51.3 yrs

Adults

272
61 seniors · 22%211 other adults

Sex

Female 50.3% · 154Male 49.7% · 152

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 3 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

Port Jefferson Income

$57,083median household income

Median household income

$57,083

Half of households earn more, half earn less

Median earnings

$44,412

Typical yearly pay for a worker 25 or older.

Poverty rate

13.4%

About 1 in 7 residents

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

Port Jefferson Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%59%51%
Never married27%26%29%
Divorced11%12%11%
Widowed4%3%5%
Separated2%0%4%

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