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Islip Terrace, NY vs Riverhead, NY

161
Islip Terrace
New York
VS
+12.4%
143
Riverhead
New York

Riverhead is moderately more affordable than Islip Terrace, with a 12.4% lower cost of living index. Islip Terrace scores 161 compared to 143 for Riverhead, where the US average is 100. This difference means residents of Islip Terrace can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Islip Terrace is $2,712/month compared to $2,208/month in Riverhead — a 23% difference. Home values follow the same pattern: Riverhead is more affordable at $449,000 median vs $479,800.

Median household income in Islip Terrace is $155,741 compared to $83,521 in Riverhead (+86.5%). While Islip Terrace is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Islip Terrace spend roughly 20.9% of their income on rent, less than the 31.7% in Riverhead. The Islip Terrace ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (53.1°F vs 50.2°F). Islip Terrace receives more rainfall at 46" per year compared to 43.5" in Riverhead.

Income & Cost

Cost of Living Index
Islip Terrace
161
Riverhead
143
11% cheaper
Median Household Income
Islip Terrace
$155,741
46% higher
Riverhead
$83,521

Housing

Median Rent
Islip Terrace
$2,712
Riverhead
$2,208
19% cheaper
Median Home Value
Islip Terrace
$479,800
Riverhead
$449,000
6% cheaper
Population
Islip Terrace
5,223
Riverhead
15,073

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Islip Terrace 53.1°F
Riverhead 50.2°F
Summer High
Islip Terrace 83°F
Riverhead 81°F
Winter Low
Islip Terrace 25°F
Riverhead 20°F
Rainfall
Islip Terrace 46"
Riverhead 43.5"
Rainy Days
Islip Terrace 122d
Riverhead 131d