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Port Jefferson montage
New York›Suffolk County
Photo: Iracaz · CC BY-SA 3.0
Photo of Port Jefferson

Port Jefferson, NY · Photo: Iracaz · CC BY-SA 3.0 · Source ↗

Why does Port Jefferson grade so well?

Because it does well by almost any measure. Port Jefferson earns an A, 63rd among New York's 745 graded towns. CDC estimates put its residents' health ahead of 98% of the country, the median household earns $145K, and its public schools beat 91% of New York towns on state tests and graduation. The exception is cost of living: the typical home is worth about $774K, 7.8 years of the New York metro’s $99K median household income. 68% of adults 25 and older hold a bachelor’s degree or more in Port Jefferson, against 32% in New York’s towns and 29% across U.S. towns. Only 52 of New York’s 1,216 towns score higher on hazard risk. Port Jefferson is more walkable than 84% of U.S. towns.

What makes Port Jefferson stand out

Where Port Jefferson beats most towns.

By the sea

Port Jefferson lives by the ocean

Coastal flooding makes up 15% of the storm damage FEMA expects here.

15%of expected storm damage is coastal flooding
98thpercentile for coastal flood risk nationally
74paid flood-insurance claims since 1979
3storm & flood disasters paid out here
On the water

FEMA National Risk Index · OpenFEMA · OpenStreetMap

How Port Jefferson grades

Each subject compared with towns across the country (schools within New York), ordered by how far Port Jefferson is from typical.

How grading works

Its grades run from A+ for health (better than 98% of comparable towns) to D− for cost of living (better than 4%), so the A overall blends very different results.

Character Graded, but not part of the overall grade.
Described, not graded Taste, not quality: snow or an older crowd is neither good nor bad.

How TownRatings grades towns →

Caleb Kinner (1793-1875) in the Long Island Star of Brooklyn, New York on February 10, 1840
Caleb Kinner (1793-1875) in the Long Island Star of Brooklyn, New York on February 10, 1840, 1840
Port Jefferson’s story

190 years in pictures

Census counts: 1,724 in 1880, 7,962 in 2020. The archive holds 6 old photos and papers going back to 1834 and 5 maps from 1902 on.

  • 1836Port Jefferson is settled
Explore the history →
Nearby attractions

Nassau Veterans Memorial Coliseum and 89 more within 40 miles

Museums, parks, gardens and other places to visit around Port Jefferson. Close and well known come first.

All 551 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Nassau Veterans Memorial Coliseum: iMatthew // talk //, Public domain · Yale Bowl: Kenneth Zirkel, CC BY-SA 4.0 · Sagamore Hill National Historic Site: Unknown, Public domain · Glass House: Carol M. Highsmith, Public domain · Jones Beach State Park: Bjoertvedt, CC BY-SA 3.0 · Playland: ChangChienFu at English Wikipedia, Public domain

Getting set up

Moving to Port Jefferson: who provides what

Who provides power, water and the rest in Port Jefferson, and how to reach them.

The full setup list →
PowerPSEG Long Island26.2¢/kWh · EIA 2025HIFLD · EIA
WaterSuffolk County Water AuthorityNo health-based violations in 5 years · EPAEPA
Internet3 providers97% of addresses get 100/20 MbpsFCC
Trash & dumpHire your ownNo town pickup: you hire a private haulerTown site
SchoolsPort Jefferson Union Free School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before).vote.gov
Who runs elections hereSuffolk County Board of ElectionsSuffolk County; contacts on the Handbook page.FVAP, Sep 2024
ZIP code1177711777 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Port Jefferson.

Port Jefferson has less tooth loss than most of New York, but it has homes that cost more against local pay than most of New York and has a long record of flood insurance claims.

HealthA+

A smaller share of adults in Port Jefferson feel lonely than in the typical New York or U.S. town

Its widest gap with New York is tooth loss: 4.2% of those 65+ have lost all their teeth, against 12.8% statewide.

27% of Port Jefferson adults feel lonely. Port Jefferson beats the New York average on 21 of 32 CDC measures and trails it on 1. 13% of Port Jefferson adults report frequent mental distress.

98%healthier than U.S. townsA+Health Grade
Port JeffersonNew York townsU.S. towns
Depression (CDC PLACES)16%21%23%
Feel lonely (CDC PLACES)27%32%33%
Smoke cigarettes (CDC PLACES)7.1%13%14%
Frequent mental distress (CDC PLACES)13%16%17%
32 measures vs. New York
21 better10 too close to call1 worse
What stands outPort JeffersonNY
Fewer older adults who have lost all their teeth4.2%12.8%
Fewer adults facing food insecurity7.2%17.2%
More adults who have had cancer10%7.7%
St. Charles Hospital
0.6 mi away · emergency room
None
primary care, dental or mental-health shortage
95th
percentile among NY towns

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Natural hazardsHazard risk grade A+

Port Jefferson faces a very low natural-hazard risk, led by inland flooding

74 flood insurance claims have been filed here, and 12 properties have flooded more than once.

Expected storm and flood damage is lower than in 93% of U.S. communities. Since 1979, 74 flood insurance claims have been paid out in Port Jefferson.

7risk score of 100
FEMA risk score
7Very low riskLowerHigher
Inland floodingCoastal floodingHurricanes
74
paid flood claims since 1979
3
federal disasters paid out here

FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA

HousingCost of living grade D−

Port Jefferson’s grade for cost of living is a D−

At 7.8 years of the New York metro’s $99K median household income, the typical home (about $774K) costs more against local pay than in 89% of New York towns; that ratio is one input to its D− for cost of living.

The median rent in Port Jefferson is $2,349 a month. Typical home values rose 7.5% in the year to September 2026.

$774KZillow home value
Port JeffersonNew York townsU.S. towns
Median rent$2,349 a month$1,098 a month$1,185 a month
Households that own their home72%75%73%

Typical home value

Port Jefferson$774K
New York$525K
Market temperature
Seller’s marketA strong seller's marketBuyer’sSeller’s
16
days on market
103.4%
sale-to-list price
+7.5%
value change, 1 year
11
homes sold in May

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

OutdoorsB−

1.8% of Port Jefferson is conserved land

1.2 miles of trail in 3 parks and preserves.

#321for trails in NY
Port JeffersonNew York townsU.S. towns
Conserved land1.8%5.2%4.3%
Miles of trail per square mile0.4 miles per square mile0.40.4
1.8%
conserved · 35 of 1,964 acres
1.2 mi
of trails · 0.4 per sq mi
Biggest places to walkTrailsAcres
1. Joe Erland Field—4
2. Harborfront Park—3
3. Rocketship Park—3

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Climate

Four seasons and pleasant summers in Port Jefferson

Port Jefferson has chilly, snowy winters and pleasant summers. July afternoons reach 83°, January nights drop to 24° and about 32 inches of snow falls in a winter.

32″snow a winter

Typical low → high °F

Winter26–42°
Spring41–58°
Summer64–81°
Fall48–64°
Nov 7
typical first frost
Apr 4
typical last frost
+2.3°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Work & commuteJobs & income grade A

About two in five of Port Jefferson’s working residents commute to Brookhaven

Jobs based here fell from 6,473 in 2013 to 4,197.

Most working residents leave Port Jefferson for work: only 8% work in town. Port Jefferson’s average trip to work is 30 minutes. Since 2013, Port Jefferson has lost 2,276 jobs, to 4,197 in 2023.

8%work in town
Port JeffersonNew York townsU.S. towns
Median household income$145,000$82,000$80,000
Average trip to work30 minutes25 minutes25 minutes
Work from home16%12%11%
Below the poverty line5.6%9.5%9.6%

Where working residents work

In Port Jefferson8%
Brookhaven39%
New York17%
Islip11%
Smithtown6%
13 mi
median commute distance
4,197
jobs based in Port Jefferson
Balanced
jobs vs. working residents
A−
Walkability grade: more walkable than 84% of U.S. towns

Census LEHD 2023 · ACS

Keep exploring

Everything we know about Port Jefferson

19pages on Port Jefferson
After high school

Colleges nearby

2 within 15 miles of the center of Port Jefferson

Famous people from Port Jefferson

20 notable people were born in Port Jefferson.

See all 20 →

About Port Jefferson

Village in New York, United States

Official town website ↗

Port Jefferson, sometimes shortened as Port Jeff, is an incorporated village in the town of Brookhaven in Suffolk County, on the North Shore of Long Island, in New York, United States. The population was 7,962 at the time of the 2020 census. Port Jefferson was first settled in the 17th century and remained a rural community until its development as an active shipbuilding center in the mid-19th century. The village has since transitioned to a tourist-based economy. The community's port remains active as the terminus of the Bridgeport & Port Jefferson Ferry – one of two commercial ferry lines between Long Island and Connecticut – and is supplemented by the terminus of the Long Island Rail Roa…

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
3.1 sq mi
Elevation
12 ft
ZIP code
11777

Port Jefferson’s neighbors

4 towns share a border with Port Jefferson.

Explore the map →
How the neighbors grade
TownNY rankOverallCostSafetySchoolsHealth
Port Jefferson#63AD−—AA+
Mount Sinai——————
Belle Terre——————
East Setauket——————
Port Jefferson Station——————

Port Jefferson reports no FBI crime data of its own. Mount Sinai, Belle Terre, East Setauket and Port Jefferson Station aren’t graded (fewer than 1,000 residents, or not enough data). Compare Port Jefferson with a neighbor →

Questions about Port Jefferson

Short answers, built from the data on this page.

Is Port Jefferson, NY a good place to live?

Yes, by almost any measure. Port Jefferson grades A overall, better than 94% of U.S. towns and #63 of 745 in New York. It grades A+ for health and A for schools. Cost of living is its weak spot, with a D−.

Is Port Jefferson, NY expensive?

Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades D−.

What is Port Jefferson, NY known for?

20 notable people were born here, including Ted Chiang and Dan Gurney.