Stony Brook, NY Cost Of Living

The latest cost of living statistics for Stony Brook. Includes statistics on rent, mortgages, healthcare, and other costs for Stony Brook compared to the state and national averages.

Cost of living in Stony Brook, New York

Cost of living in Stony Brook research summary. The cost of living index is set to 100 for the average place in the United States. A cost of living index above 100 means Stony Brook is expensive. An index value below 100 means the city is a relatively cheap place to live.

On a city-by-city basis in New York, home prices and rent have the biggest impact on the cost of living. Here are the key takeaways based on Saturday Night Science:

153 Cost of living index 1.5x higher vs US
#244 Cheapest in New York (of 336)
#5,760 Cheapest in the U.S. (of 6,489)
$766,794 Median home value
$3,501 Median rent
$174,872 Median income
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What is the cost of living in Stony Brook, NY?

According to the most recent data on the cost of living, Stony Brook has an overall cost of living index of 153, which is 1.5x higher than the national index of 100.

Compared to New York, Stony Brook has a cost of living index that's 1.3x higher than New York's index of 121.

The standard of living in Stony Brook ranks as #244 most affordable out of the 336 places we measured in New York. By definition, that implies Stony Brook ranks as the #92 most expensive place in the Empire State.

For more reading on life in Stony Brook, check out:

Stony Brook Cost Of Living Vs. New York

Six factors go into calculating the cost of living index in Stony Brook. Here is how it fares on each of the criteria:

  • The Services index in Stony Brook is 102.

  • The Groceries index in Stony Brook is 109.

  • The Health index in Stony Brook is 253.

  • The Housing index in Stony Brook is 110.

  • The Transportation index in Stony Brook is 112.

  • The Utilities index in Stony Brook is 114.

Living Expense Stony Brook New York National Average
Overall 153 121 100
Services 102 105 100
Groceries 109 108 100
Health 253 143 100
Housing 110 112 100
Transportation 112 114 100
Utilities 114 111 100

Stony Brook Cost Of Living Compared To New York Averages

Services
Stony Brook 102
New York avg 105
Groceries
Stony Brook 109
New York avg 108
Health
Stony Brook 253
New York avg 143
Housing
Stony Brook 110
New York avg 112
Transportation
Stony Brook 112
New York avg 114
Utilities
Stony Brook 114
New York avg 111

Index where 100 = national average. Source: cost-of-living index 2026.

For more reading on cost of living around New York, check out:

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Source: Cost-of-living index 2026, normalized to US average = 100

Stony Brook, NY Housing Cost Breakdown

$766,794Median Home Value
$3,501Median Rent
$174,872Median Income

Housing swings affordability the most between places in New York, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:

  • The Median Home Value in Stony Brook is $766,794.

  • The Median Rent in Stony Brook is $3,501.

  • The Median Income in Stony Brook is $174,872.

  • The Home Value To Income in Stony Brook is 4.4x.

  • The Rent To Monthly Income in Stony Brook is 0.24x.

Statistic Stony Brook New York United States
Median Home Value $766,794 $507,794 $332,700
Median Rent $3,501 $1,621 $1,413
Median Income $174,872 $85,974 $80,734
Home Value To Income 4.4x 5.9x 4.1x
Rent To Monthly Income 0.24x 0.23x 0.21x

Stony Brook, NY Costs By Category

Detailed Stony Brook Services costs vs. New York
Item Stony Brook New York
Shampoo $1.5 $1.28
Movie $13.76 $12.13
Bowling $19.63 $18
Haircut $32.33 $24.26
Beauty Salon $48.56 $45.56
Detailed Stony Brook Groceries costs vs. New York
Item Stony Brook New York
Ground Beef $6.34 $5.84
Fried Chicken $1.61 $1.57
Milk $4.73 $4.67
Potatoes $5.03 $4.93
Pizza $10.07 $12.09
Beer $10.62 $10.41
Toothpaste $3.66 $3.7
Detailed Stony Brook Health costs vs. New York
Item Stony Brook New York
Optometrist $140.1 $125.68
Doctor $143.23 $135.78
Dentist $123.0 $113.29
Detailed Stony Brook Transportation costs vs. New York
Item Stony Brook New York
Gasoline $3.33 $3.46
Tire Balancing $57.68 $59.92
Detailed Stony Brook Utilities costs vs. New York
Item Stony Brook New York
All Electricity $281.67 $193.99
Phone $185.16 $192.25

Stony Brook SnackAbility

7Overall SnackAbility
Jobs 9/10
Housing 9.5/10
Affordability 6/10
Diversity 8/10
SafetyN/A
Amenities 8.5/10
Education 10/10
Commute 4/10

Cost Of Living In Cities Around Stony Brook

The cost of living varies in the cities and towns around Stony Brook. Here's a quick look at the cost of living in the most populous nearby places:

  • Commack, NY has a cost of living index of 154, 1.0x Stony Brook.

  • Centereach, NY has a cost of living index of 139, 0.9x Stony Brook.

  • West Islip, NY has a cost of living index of 150, 1.0x Stony Brook.

City Population Cost Of Living Vs. Stony Brook
Commack, NY 36,558 154 1.0x
Centereach, NY 31,839 139 0.9x
West Islip, NY 26,865 150 1.0x
Plainview, NY 25,982 166 1.1x
Smithtown, NY 24,375 152 1.0x
Huntington, NY 19,948 168 1.1x
Nesconset, NY 13,833 154 1.0x
East Islip, NY 13,573 145 0.9x
St. James, NY 13,244 149 1.0x
Lake Grove, NY 11,061 145 0.9x