Port Jefferson, New York

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Port Jefferson, New York

Introduction to Port Jefferson, New York

Port Jefferson, New York, in Suffolk County, is 14 miles NE of Brentwood, New York and 49 miles E of New York, New York. The village is home to some 7,837 residents.

Port Jefferson History

Once known as the Drowned Meadow because of the frequent floods that plagued the area, Port Jefferson was a major ship building community during its early years. In 1836, it was named Port Jefferson in honor of President Thomas Jefferson, who provided funds that were used to prevent flooding in the area. In the 1880s, Port Jefferson was a major whaling port. It was officially incorporated as a village in 1964.

Port Jefferson and nearby Attractions

  • Long Island Museum
  • Marshall Field III estate
  • Mather House Museum
  • Sherwood Island State Park
  • Beardsley Zoological Gardens
  • Maritime Aquarium

Things To Do In Port Jefferson

The Mather House Museum, located in Port Jefferson, showcases maritime and shipbuilding exhibits. The Long Island Museum, the Long Island Maritime Museum, the Cold Spring Harbor Whaling Museum and the Suffolk County Vanderbilt Museum are some of the local museums. Marshall Field III estate, the Walt Whitman Birthplace State Historic Park and Eagles Nest are all nearby as well. The Beardsley Zoological Gardens, Captain's Cove Seaport, Fire Island National Seashore and Sherwood Island State Park are some of the other popular attractions in the area.

Port Jefferson Transportation

Long Island Mac Arthur is the nearest major airport.

Port Jefferson Higher Education

Nearby colleges and universities include Stony Brook University, Suffolk County Community College-Ammerman Campus, Dowling College, Sacred Heart University and Saint Josephs College-Suffolk Campus.

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High Points

Port Jefferson strengths, compared to Peers (similar size places nationally) or State (other places in New York):

Category Trophy
Well-Paid Single Women
(vs. Peers)
Top 7% Port Jefferson Well-Paid Single Women
College Educated Adults
(vs. Peers)
Top 7% Port Jefferson College Educated Adults
Well-Paid Single Men
(vs. Peers)
Top 9% Port Jefferson Well-Paid Single Men
Median Family Income
(vs. Peers)
Top 10% Port Jefferson Median Family Income
Public Transportation Use
(vs. Peers)
Top 17% Port Jefferson Public Transportation Use

Comparative Profile of Port Jefferson, New York

Comparing Port Jefferson to similar size places nationwide (Peers) and to other places in New York (State):

Ratings range from 1 (lowest) to 10 (highest).

The People

Characteristic Compared
to Peers
to State
Well-Paid Single Women 10 9
Well-Paid Single Men 10 9
Age of the Population 9 8
Racial Diversity 6 7
Male Share of the Population 6 6
Senior Citizens 6 6
Female Share of the Population 5 5
Children Under 5 Years Old 2 2


Characteristic Compared
to Peers
to State
Portion of People Married 7 6
Average Household Size 5 4


Characteristic Compared
to Peers
to State
College Educated Adults 10 9
Median Family Income 10 9
People in Middle Class or Better 8 7
People Above Poverty 6 6

Commute & Sprawl

Characteristic Compared
to Peers
to State
Working at Home 9 8
Public Transportation Use 9 7
Walking and Biking to Work 3 5
Short Commute Times 2 4


Characteristic Compared
to Peers
to State
Studio & One-Bedroom Rentals 9 8
Seasonal and Vacation Housing 8 6
Housing Recently Built 5 9
People Living Alone 5 6
Affordability of Rents 2 3
Affordability of Property Taxes 1 3

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Port Jefferson Almanac

Category Value
Nearest Medium City 14 miles NE of Brentwood, New York (center to center)
Nearest Large City 49 miles E of New York, New York
County Suffolk
Standard Zip Codes 11777
Phone Area Codes 631
Time Zone Eastern (-5 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 40.946
Longitude -73.069

Port Jefferson Climate

Nearest Weather Stations

  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)
Distance 2.1 miles
Jan Temp 25 to 40 F
Apr Temp 40 to 61 F
Jul Temp 65 to 84 F
Oct Temp 47 to 66 F
Annual Precip 45.7 inches
Distance 10.2 miles
Jan Temp 23 to 39 F
Apr Temp 40 to 58 F
Jul Temp 66 to 83 F
Oct Temp 45 to 64 F
Annual Precip 46.5 inches
Distance 10.8 miles
Jan Temp 22 to 39 F
Apr Temp 39 to 59 F
Jul Temp 64 to 83 F
Oct Temp 45 to 64 F
Annual Precip 50.2 inches
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Port Jefferson Population (2000)

Category Count Percent
Total Population 7,837 100%
Male 3,782 48.3%
Female 4,055 51.7%
Under 18 1,571 20%
18+ 6,266 80%
65+ 1,157 14.8%
Median Age 40.4
Average Family Size 2.96
White 7,208 92%
African-American 131 1.7%
Asian 261 3.3%
American Indian & Alaskan 3 0%
Other 133 1.7%
Mixed Race 101 1.3%
Hispanic (included in categories above) 408 5.2%

Estimated Port Jefferson Population Growth 2000-2005

Category Value
Est. 2005 Population 7,935
Growth 98
Growth % 1.3%

Port Jefferson Ancestry

(From 2000 Census, as reported by individuals)

Note: This is national, not racial, ancestry, so, e.g., the Census doesn't have categories for Hispanic and African-American people. CityTownInfo is currently gathering additional ancestry data for this site.
Ancestry Percent
Italian 19.1%
Irish 16.5%
Other (often includes Hispanic and African American) 13.2%
German 12.2%
English 7.4%
Polish 3.2%
US/American 3%
Russian 2.6%
Greek 2.4%
Norwegian 2%
French (except Basque) 1.9%
British 1.4%
Scottish 1.2%
Croatian 1.1%
Eastern European 1.1%
Scotch-Irish 1%
Swedish 0.8%
Dutch 0.8%
French Canadian 0.8%
Hungarian 0.6%
Turkish 0.6%
European 0.6%
Austrian 0.6%
Czech 0.5%
Egyptian 0.5%
Bulgarian 0.5%
Lithuanian 0.4%
U.S. Virgin Islander 0.4%
Maltese 0.4%
Trinidadian and Tobagonian 0.4%
Slovak 0.3%
Canadian 0.3%
Israeli 0.3%
Finnish 0.3%
Jamaican 0.3%
Brazilian 0.2%
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Nearby Cities and Towns

Location Pop. Median Family
Income (2000)
Port Jefferson 7,837 $83,981
Belle Terre 832 $144,708
Mount Sinai 8,734 $89,636
Old Field 947 $192,071
Poquott 975 $116,379
Port Jefferson Station 7,527 $63,185
Terryville 10,589 $71,160

Port Jefferson Public Libraries

Port Jefferson Free Library
Port Jefferson, New York
(631) 473-0022

library logo

More Information for Librarians

Port Jefferson Hospitals

(Voluntary non-profit - Private)
(631) 473-1320
Emergency Service: Yes

(Voluntary non-profit - Church)
(631) 474-6000
Emergency Service: Yes

Starbucks in Port Jefferson

(As of 2005)
201 Main Street
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Port Jefferson High Schools (2004)

Serves 355 students.

Port Jefferson Colleges

(List of New York Colleges)

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City, State Similarity   1 Person Houses 65+ College Grads Commute Minutes Family Income Kids 0-4 Non White Pop. Poverty Prop. Crime Seasonal Housing Viol. Crime
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