At a Glance
Median Income
$143,125
$74,865 per capita
Home Value
$628,500
Zillow: $788,766
Median Rent
$2,254/mo
24.9% of income on rent
Bachelor's Degree+
69.0%
96.8% high school+
Unemployment
2.9%
0.9% poverty rate
Obesity Rate
25.9%
7.3% smoking rate
How Port Jefferson Compares to the U.S. Average
Each bar shows Port Jefferson's value as a percentage of the national average (100% = U.S. avg)
Thin vertical line = U.S. national average (100%)
Is Port Jefferson a Good Place to Live?
A+
4.7 / 5.0 - Excellent
Based on economy, affordability, safety, and education metrics compared to national averages.
Economy & Jobs
Port Jefferson residents earn a median household income of $143,125 , which is 90% above the national average of $75,149.
Per capita income is $74,865. The unemployment rate stands at 2.9% (19% below the U.S. rate of 3.6%). 0.9% of residents live below the poverty line. The area is home to 56,397 business establishments, including 3,828 restaurants.
Housing & Cost of Living
The median home value in Port Jefferson is $628,500 , 123% above the national median of $281,900.
Zillow estimates the typical home at $788,766. Median rent is $2,254/month, with 24.9% of renters spending more than 30% of income on housing. The cost of living index is 107.9 (100 = national average). The median home was built in 1970.
Education
69.0% of adults in Port Jefferson hold a bachelor's degree or higher
(105% above the national average).
96.8% have completed high school. Local schools score 6.7/10 in standardized testing.
Climate & Weather
Port Jefferson has an average annual temperature of 55°F (13°C).
Winters average 34°F in January while summers reach 75°F in July. Annual precipitation totals 48.5 inches. Air quality is rated Good with a median AQI of 31.
Data Overview
People
Population8,029
Median Age45.3 yrs
Density2,624/mi²
Male / Female48% / 52%
Foreign Born16.0%
Veterans3.5%
Economy
A+
Median Income$143,125
Per Capita$74,865
Unemployment2.9%
Poverty0.9%
County GDP$130,222M
Avg Weekly Wage$1,489
Housing
A
Home Value$628,500
Rent$2,254
Ownership71.3%
Zillow$788,766
Housing Units3,294
Rent Burden24.9%
Health
Obesity25.9%
Diabetes6.6%
Smoking7.3%
Heart Disease4.0%
Premature Death4,800/100K
Climate
Avg Temp55°F
Rain48.5 in/yr
AQI31 (Good)
Elevation230 ft
Education
A+
Bachelor's+69.0%
High School+96.8%
Graduate+41.2%
School Score6.7/10
Community
2024 VoteR 52% / D 48%
Commute31 min
Broadband95.9%
Internet Speed177 Mbps
EV Stations4
Libraries63
Did You Know?
The median home in Port Jefferson was built in 1970.
The nearest airport is John F Kennedy International (43 miles).
The Gini coefficient (income inequality) is 0.453 (U.S. avg: 0.490).
Natural hazard risk is rated "Relatively High" by FEMA.
12.0% of the population has a disability.
16.0% of residents are foreign-born.
Average internet download speed is 177 Mbps.
There are 3,828 restaurants in the area.
The county recorded 76 fatal vehicle crashes.