Stony Brook, NY
Demographics And Statistics

Demographics | Cost Of Living
Updated: 2025-10-25

Living In Stony Brook, New York Summary

Life in Stony Brook research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Stony Brook over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Stony Brook:

  • The population in Stony Brook is 12,827.

  • The median home value in Stony Brook is $747,902.

  • The median income in Stony Brook is $162,054.

  • The cost of living in Stony Brook is 152 which is 1.5x higher than the national average.

  • The median rent in Stony Brook is $2,643.

  • The unemployment rate in Stony Brook is 4.3%.

  • The poverty rate in Stony Brook is 4.3%.

  • The average high in Stony Brook is 60.6° and the average low is 44.0°.

Stony Brook SnackAbility

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

Stony Brook, NY Cost Of Living

Cost of living in Stony Brook summary. We use data on the cost of living to determine how expensive it is to live in Stony Brook. Real estate prices drive most of the variance in cost of living around New York. Key points include:

  • The cost of living in Stony Brook is 152 with 100 being average.

  • The cost of living in Stony Brook is 1.5x higher than the national average.

  • The median home value in Stony Brook is $747,902.

  • The median income in Stony Brook is $162,054.

152
Stony Brook's Overall Cost Of Living
1.5x
Higher Than The National Average

Cost Of Living In Stony Brook Comparison Table

Living Expense Stony Brook New York National Average
Overall 152 119 100
Services 113 110 100
Groceries 103 103 100
Health 109 101 100
Housing 245 145 100
Transportation 104 105 100
Utilities 129 99 100

Stony Brook, NY Weather

  • The average high in Stony Brook is 60.6° and the average low is 44.0°.

  • There are 77.1 days of precipitation each year.

  • Expect an average of 47.8 inches of precipitation each year with 27.2 inches of snow.

StatStony Brook
Average Annual High60.6
Average Annual Low44.0
Annual Precipitation Days77.1
Average Annual Precipitation47.8
Average Annual Snowfall27.2
60.6°
Average High
77.1
Days of Rain

1 Reviews & Comments About Stony Brook

Overall User Rating
1.0
/5

HomeSnacks User - 2019-05-12 19:21:41.513719

Extortionate taxes and fees to fund a corrupt, intrusive government that provides bottom-tier services. Ridiculously high cost of living. This is what happens in one-party states.

Watch out for overpaid cops on revenue-raising missions. These guys give pigs a bad name.

Review Where You Live

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Stony Brook Demographics And Statistics

Population over time in Stony Brook

The current population in Stony Brook is 12,827. The population has decreased -6.1% from 2010.

Year Population % Change
2023 12,827 2.6%
2022 12,501 3.8%
2021 12,048 2.2%
2020 11,785 -5.2%
2019 12,428 -1.7%
2018 12,641 -5.0%
2017 13,308 -1.0%
2016 13,437 -3.3%
2015 13,889 -0.3%
2014 13,936 3.5%
2013 13,459 1.9%
2012 13,207 -5.0%
2011 13,903 1.8%
2010 13,658 -

Race / Ethnicity in Stony Brook

White
77.9% (9,997)
African American
2.7% (340)
American Indian
0.0% (0)
Asian
11.2% (1,443)
Hawaiian
0.0% (0)
Other
0.5% (60)
Two Or More
0.4% (50)
Hispanic
7.3% (937)

Stony Brook is:

  • 77.9% White with 9,997 White residents.

  • 2.7% African American with 340 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 11.2% Asian with 1,443 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.5% Other with 60 Other residents.

  • 0.4% Two Or More with 50 Two Or More residents.

  • 7.3% Hispanic with 937 Hispanic residents.

Race Stony Brook NY USA
White 77.9% 53.4% 58.2%
African American 2.7% 13.6% 12.0%
American Indian 0.0% 0.2% 0.5%
Asian 11.2% 8.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.5% 0.9% 0.5%
Two Or More 0.4% 3.4% 3.9%
Hispanic 7.3% 19.6% 19.0%

Gender in Stony Brook

Female
48.8% (6,256)
Male
51.2% (6,571)
  • Stony Brook is 48.8% female with 6,256 female residents.

  • Stony Brook is 51.2% male with 6,571 male residents.

Gender Stony Brook NY USA
Female 48.8% 51.2% 50.5%
Male 51.2% 48.8% 49.5%

Highest level of educational attainment in Stony Brook for adults over 25

  • 0.0% of adults in Stony Brook completed < 9th grade.

  • 1.0% of adults in Stony Brook completed 9-12th grade.

  • 13.0% of adults in Stony Brook completed high school / ged.

  • 9.0% of adults in Stony Brook completed some college.

  • 8.0% of adults in Stony Brook completed associate's degree.

  • 24.0% of adults in Stony Brook completed bachelor's degree.

  • 27.0% of adults in Stony Brook completed master's degree.

  • 7.0% of adults in Stony Brook completed professional degree.

  • 11.0% of adults in Stony Brook completed doctorate degree.

< 9th Grade
0.0% (0)
9-12th Grade
1.0% (128)
High School / GED
13.0% (1,667)
Some College
9.0% (1,154)
Associate's Degree
8.0% (1,026)
Bachelor's Degree
24.0% (3,078)
Master's Degree
27.0% (3,463)
Professional Degree
7.0% (897)
Doctorate Degree
11.0% (1,410)
Education Stony Brook NY USA
< 9th Grade 0.0% 5.0% 5.0%
9-12th Grade 1.0% 6.0% 6.0%
High School / GED 13.0% 25.0% 26.0%
Some College 9.0% 15.0% 19.0%
Associate's Degree 8.0% 9.0% 9.0%
Bachelor's Degree 24.0% 22.0% 21.0%
Master's Degree 27.0% 13.0% 10.0%
Professional Degree 7.0% 3.0% 2.0%
Doctorate Degree 11.0% 2.0% 2.0%

Household Income For Stony Brook, New York

  • 1.1% of households in Stony Brook earn Less than $10,000.

  • 1.3% of households in Stony Brook earn $10,000 to $14,999.

  • 4.5% of households in Stony Brook earn $15,000 to $24,999.

  • 0.8% of households in Stony Brook earn $25,000 to $34,999.

  • 4.3% of households in Stony Brook earn $35,000 to $49,999.

  • 4.4% of households in Stony Brook earn $50,000 to $74,999.

  • 9.6% of households in Stony Brook earn $75,000 to $99,999.

  • 19.7% of households in Stony Brook earn $100,000 to $149,999.

  • 16.7% of households in Stony Brook earn $150,000 to $199,999.

  • 37.7% of households in Stony Brook earn $200,000 or more.

Less than $10,000
1.1% (13,564)
$10,000 to $14,999
1.3% (16,390)
$15,000 to $24,999
4.5% (57,084)
$25,000 to $34,999
0.8% (10,173)
$35,000 to $49,999
4.3% (55,388)
$50,000 to $74,999
4.4% (56,519)
$75,000 to $99,999
9.6% (123,211)
$100,000 to $149,999
19.7% (252,922)
$150,000 to $199,999
16.7% (213,642)
$200,000 or more
37.7% (483,803)
Income Stony Brook NY USA
Less than $10,000 1.1% 5.7% 4.9%
$10,000 to $14,999 1.3% 4.1% 3.6%
$15,000 to $24,999 4.5% 6.5% 6.6%
$25,000 to $34,999 0.8% 6.2% 6.8%
$35,000 to $49,999 4.3% 9.1% 10.4%
$50,000 to $74,999 4.4% 13.8% 15.7%
$75,000 to $99,999 9.6% 11.4% 12.7%
$100,000 to $149,999 19.7% 16.8% 17.4%
$150,000 to $199,999 16.7% 10.1% 9.3%
$200,000 or more 37.7% 16.4% 12.6%

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