Stony Brook, New York Population 2024

13,217

Stony Brook is a city located in Suffolk County New York. Stony Brook has a 2024 population of 13,217. Stony Brook is currently growing at a rate of 2.78% annually and its population has increased by 12.15% since the most recent census, which recorded a population of 11,785 in 2020.

The average household income in Stony Brook is $193,136 with a poverty rate of 5.6%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Stony Brook is 45.8 years, 43.2 years for males, and 47.3 years for females.

Stony Brook Demographics

According to the most recent ACS, the racial composition of Stony Brook was:

  • White: 81.66%
  • Asian: 11.78%
  • Two or more races: 4.06%
  • Black or African American: 1.82%
  • Other race: 0.69%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
5.8 sq mi
Density (mi²)
2,276.40/sq mi
Growth Since 2020
12.15% (1,432)
The current population of Stony Brook, New York is 13,217 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 11,785.

Stony Brook, New York Population 2024

Population by Race

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Race
Population
Percentage (of total)
White10,20881.66%
Asian1,47211.78%
Two or more races5074.06%
Black or African American2281.82%
Other race860.69%
Native American
Native Hawaiian or Pacific Islander

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Stony Brook Population by Race

Stony Brook Population Pyramid 2024

Stony Brook Median Age

45.8

Total

43.2

Male

47.3

Female

Stony Brook Adults

There are 9,792 adults, (2,810 of whom are seniors) in Stony Brook.

Stony Brook Age Dependency

79

Age Dependency Ratio

40.2

Old Age Dependency Ratio

38.8

Child Dependency Ratio

Stony Brook Sex Ratio

Female6,00148%
Male6,50052%

Stony Brook Population by Age

Stony Brook Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,5232.7589.310.7
Married2,9393.1973
Non Family1,1451.6878.521.5
Female3723.1871.528.5
Male673.5535.864.2

3.1

Average Family Size

2.75

Average Household Size

89.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Stony Brook Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Stony Brook Educational Attainment by Sex (over 25)

Stony Brook Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 87.98%.

Stony Brook Educational Attainment by Race

All

Male

Female

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$88,178

Average Earnings

$101,387

Average Male

$70,000

Average Female

Stony Brook Earnings by Educational Attainment

Stony Brook Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Stony Brook Language

81.77% of Stony Brook residents speak only English, while 18.23% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 9.32% of the population.

Stony Brook Language

Stony Brook Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White9,7014404.54%
Asian1,46622115.08%
Black2273515.42%
Other8322.41%
Hispanic1,02320.2%

5.6%

Overall Poverty Rate

6.54%

Male Poverty Rate

4.58%

Female Poverty Rate

Poverty in Stony Brook

The race most likely to be in poverty in Stony Brook is Black, with 15.42% below the poverty level.

The race least likely to be in poverty in Stony Brook is Hispanic, with 0.2% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 5.55%, and for those that did not work, the poverty rate was 16.04%.

Stony Brook Poverty

rate

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Rate
Poverty
Less Than 9th Grade23.66%
High School9.72%
Some College2.93%
Bachelors or Greater2.28%

Stony Brook Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed24.07%
Female Unemployed7.69%
Female Employed2.58%
Male Employed0.4%

Stony Brook Poverty Rate by Employment Status and Sex

Stony Brook Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Stony Brook Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.8%

Overall Marriage Rate

59.8%

Male Marriage Rate

62.0%

Female Marriage Rate

Stony Brook Married by Age and Sex

male

female

Stony Brook Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Stony Brook Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Stony Brook Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

324

Number of Veterans

320

Male Veterans

4

Female Veterans

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Stony Brook Veterans by War

count

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Stony Brook Veterans by Age

count

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Stony Brook Veterans by Race

Stony Brook Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

24.77%

Veteran Disability Rate

Stony Brook Veterans by Education

LaborForceParticipation

64.2%

Labor Force Participation

61.6%

Employment Rate

3.7%

Unemployment Rate

Stony Brook Employment by Age

LaborForceParticipation

Stony Brook Employment by Race

LaborForceParticipation

Stony Brook Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

76.21%

Born in Stony Brook

87.59%

Native Born

12.41%

Foreign Born

3.87%

Non Citizen

8.54%

Naturalized

Place of Birth

87.59% of Stony Brook residents were born in the United States, with 76.21% having been born in New York. 3.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Stony Brook Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202413,2173582.78%
202312,8593582.86%
202212,5014533.76%
202112,0482632.23%
202011,785-643-5.17%
201912,428-213-1.68%
201812,641-667-5.01%
201713,308-129-0.96%
201613,437-452-3.25%
201513,889-47-0.34%
201413,9364773.54%
201313,4592521.91%
201213,207-696-5.01%
201113,9031631.19%
201013,740

Stony Brook Population by Year