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Copiague, NY vs Port Jefferson, NY

138
Copiague
New York
VS
-13.3%
159
Port Jefferson
New York

Copiague is moderately more affordable than Port Jefferson, with a 13.3% lower cost of living index. Copiague scores 138 compared to 159 for Port Jefferson, where the US average is 100. This difference means residents of Port Jefferson can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Copiague is $2,003/month compared to $2,254/month in Port Jefferson — a 11% difference. Home values follow the same pattern: Copiague is more affordable at $463,300 median vs $628,500.

Median household income in Copiague is $121,098 compared to $143,125 in Port Jefferson (-15.4%). While Port Jefferson is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Copiague spend roughly 19.8% of their income on rent, more than the 18.9% in Port Jefferson.

Climate-wise, both cities share similar average temperatures (53.4°F vs 53.1°F). Port Jefferson receives more rainfall at 46" per year compared to 38.3" in Copiague.

Income & Cost

Cost of Living Index
Copiague
138
13% cheaper
Port Jefferson
159
Median Household Income
Copiague
$121,098
Port Jefferson
$143,125
15% higher

Housing

Median Rent
Copiague
$2,003
11% cheaper
Port Jefferson
$2,254
Median Home Value
Copiague
$463,300
26% cheaper
Port Jefferson
$628,500
Population
Copiague
23,332
Port Jefferson
8,029

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Copiague $3.32
Port Jefferson $3.32
US $3.07
🥚
Eggs (grade A, large)
Copiague $2.71
Port Jefferson $2.71
US $2.50
🥛
Milk (whole)
Copiague $4.36
Port Jefferson $4.36
US $4.03
🍞
Bread (white)
Copiague $2.00
Port Jefferson $2.00
US $1.85
🍗
Chicken breast
Copiague $4.49
Port Jefferson $4.49
US $4.14
Electricity
Copiague $0.24
Port Jefferson $0.24
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Copiague 53.4°F
Port Jefferson 53.1°F
Summer High
Copiague 83°F
Port Jefferson 83°F
Winter Low
Copiague 25°F
Port Jefferson 25°F
Rainfall
Copiague 38.3"
Port Jefferson 46"
Rainy Days
Copiague 120d
Port Jefferson 122d