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East Rochester, NY vs Lake Ronkonkoma, NY

80
East Rochester
New York
VS
-41.8%
137
Lake Ronkonkoma
New York

The cost of living difference between East Rochester, NY and Lake Ronkonkoma, NY is dramatic. East Rochester is 41.8% cheaper than Lake Ronkonkoma, a gap that translates to thousands of dollars per year in household expenses. East Rochester has a cost index of 80 while Lake Ronkonkoma sits at 137, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in East Rochester is $1,120/month compared to $1,906/month in Lake Ronkonkoma — a 41% difference. Home values follow the same pattern: East Rochester is more affordable at $137,400 median vs $484,700.

Median household income in East Rochester is $72,036 compared to $102,608 in Lake Ronkonkoma (-29.8%). The higher salaries in Lake Ronkonkoma partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of East Rochester spend roughly 18.7% of their income on rent, less than the 22.3% in Lake Ronkonkoma.

Climate-wise, Lake Ronkonkoma is notably warmer with an average of 53.1°F compared to 49.5°F in East Rochester. Lake Ronkonkoma receives more rainfall at 46" per year compared to 35.1" in East Rochester.

Income & Cost

Cost of Living Index
East Rochester
80
42% cheaper
Lake Ronkonkoma
137
Median Household Income
East Rochester
$72,036
Lake Ronkonkoma
$102,608
30% higher

Housing

Median Rent
East Rochester
$1,120
41% cheaper
Lake Ronkonkoma
$1,906
Median Home Value
East Rochester
$137,400
72% cheaper
Lake Ronkonkoma
$484,700
Population
East Rochester
6,263
Lake Ronkonkoma
18,289

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
East Rochester $2.98
Lake Ronkonkoma $3.32
US $3.07
🥚
Eggs (grade A, large)
East Rochester $2.43
Lake Ronkonkoma $2.71
US $2.50
🥛
Milk (whole)
East Rochester $3.92
Lake Ronkonkoma $4.36
US $4.03
🍞
Bread (white)
East Rochester $1.80
Lake Ronkonkoma $2.00
US $1.85
🍗
Chicken breast
East Rochester $4.03
Lake Ronkonkoma $4.49
US $4.14
Electricity
East Rochester $0.25
Lake Ronkonkoma $0.24
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
East Rochester 49.5°F
Lake Ronkonkoma 53.1°F
Summer High
East Rochester 83°F
Lake Ronkonkoma 83°F
Winter Low
East Rochester 19°F
Lake Ronkonkoma 25°F
Rainfall
East Rochester 35.1"
Lake Ronkonkoma 46"
Rainy Days
East Rochester 168d
Lake Ronkonkoma 122d