Stony Brook, New York Population 2020

12,641
Loading...

Stony Brook is a city located in New York. Stony Brook has a 2020 population of 12,641. Stony Brook is currently declining at a rate of 0.00% annually and its population has decreased by -8.00% since the most recent census, which recorded a population of 13,740 in 2010. Stony Brook reached it's highest population of 13,936 in 2014.

The average household income in Stony Brook is $159,177 with a poverty rate of 7.06%. The median rental costs in recent years comes to $3,197 per month, and the median house value is $452,300. The median age in Stony Brook is 46 years, 41 years for males, and 48.9 years for females. For every 100 females there are 103.9 males.

Stony Brook Demographics

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

  • White: 87.03%
  • Asian: 9.56%
  • Two or more races: 1.60%
  • Black or African American: 1.25%
  • Other race: 0.36%
  • Native Hawaiian or Pacific Islander: 0.20%
  • Native American: 0.00%
The current population of Stony Brook, New York is 12,641, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,641.The last official US Census in 2010 recorded the population at 13,740.

Stony Brook, New York Population 2020

Population by Race

Race Population Percentage
White11,00287.03%
Asian1,2089.56%
Two or More Races2021.60%
Black or African American1581.25%
Some Other Race460.36%
Native Hawaiian and Other Pacific Islander250.20%
Loading...

Stony Brook Population Pyramid 2020

Loading...

Stony Brook Median Age

46


Total

41


Male

48.9


Female

Stony Brook Adults

There are 9,750 adults, (2,584 of whom are seniors) in Stony Brook.

Stony Brook Age Dependency

76.4

Age Dependency Ratio

36.1

Old Age Dependency Ratio

40.3

Child Dependency Ratio

Stony Brook Sex Ratio

Female

6,199

49.04%

Male

6,442

50.96%

Stony Brook Households and Families

Stony Brook Renter vs Owner Occupied by Household Type

Loading...

Stony Brook Household Types

Type Owner Renter
Male100%0%
Married96.1%3.9%
All91.9%8.1%
Non Family86.7%13.3%
Female79.3%20.7%

91.9%

Rate of Home Ownership

Type Count Average Size Owned
All4,4872.8191.9
Married2,8463.3596.1
Non Family1,0851.4686.7
Female5112.6279.3
Male453.22100

3.17

Average Family Size

2.81

Average Household Size

2%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Loading...

Stony Brook Education

Loading...
Education Attained Count Percentage
Less Than 9th Grade650.75%
9th to 12th Grade1451.66%
High School Graduate97511.18%
Some College94610.84%
Associates Degree91710.51%
Bachelors Degree2,53529.06%
Graduate Degree3,14036.00%
Loading...

Stony Brook Educational Attainment by Race

Loading...
Name Total High School Bachelors
White7,3427,1934,724
Asian827805627
Hispanic382343243
Black11911928
Other Race353313
Islander252525
Multiple Races212121

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Loading...
Name Average Male Female
Overall$75,694$95,714$51,554
Less Than High School$21,157$$14,432
High School Grad$41,445$$47,632
Some College$64,016$79,792$42,230
Bachelors Degree$57,083$91,021$46,076
Graduate Degree$105,893$127,197$80,673

$75,694

Average Earnings

$95,714

Average Male

$51,554

Average Female

Stony Brook Language

Stony Brook Language by Age

Loading...

Stony Brook Language

84.04% of Stony Brook residents speak only English, while 15.96% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 6.68% of the population.

Stony Brook Poverty

Stony Brook Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White10,2995094.94%
Asian1,20829424.34%
Multiple2024321.29%
Hispanic701405.71%
Black14210.70%
Other4512.22%

7.06%

Overall Poverty Rate

7.20%

Male Poverty Rate

6.92%

Female Poverty Rate

Poverty in Stony Brook

The race most likely to be in poverty in Stony Brook is Asian, with 24.34% below the poverty level.

The race least likely to be in poverty in Stony Brook is Black, with 0.70% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.34%. Among those working part-time, it was 8.46%, and for those that did not work, the poverty rate was 14.91%.

Loading...
Name Poverty
High School10.59%
Bachelors or Greater3.47%
Some College3.39%
Less Than High School0.48%
Loading...
Name Poverty
Male Unemployed19.72%
Female Employed4.76%
Male Employed1.07%
Female Unemployed0.00%

Stony Brook Income

Stony Brook Income by Household Type

Loading...
Name Median Mean
Households$130,202$159,177
Families$151,556$179,728
Married Families$170,461-
Non Families$59,784$86,853
Loading...

Stony Brook Marital Status

Stony Brook Marital Status

Loading...

Marriage Rates

58.3%

Overall Marriage Rate

61.2%

Male Marriage Rate

55.7%

Female Marriage Rate

Stony Brook Married by Age and Sex

Loading...

Stony Brook Marriage

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

Stony Brook Marital Status by Race

Loading...

Stony Brook Veterans

Loading...

588

Number of Veterans

493

Male Veterans

95

Female Veterans

War Veterans
First Gulf War176
Vietnam92
Korea66
World War II36
Second Gulf War35
Loading...
Age Group Veterans
35 to 54257
75+236
65 to 7463
18 to 3425
55 to 647
Loading...
Name Veterans % of Total
White5576.55%
Hispanic328.02%
Black3126.05%

Stony Brook Veterans by Education

Loading...

4.61%

Veteran Poverty Rate

28.50%

Veteran Disability Rate

Stony Brook Employment Status

Loading...

66.1%

Labor Force Participation

63.6%

Employment Rate

3.7%

Unemployment Rate

Loading...
Loading...

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

74.35%

Born in New York

87.04%

Native Born

12.96%

Foreign Born

4.65%

Non Citizen

8.31%

Naturalized

Place of Birth

87.04% of Stony Brook residents were born in the United States, with 74.35% having been born in New York. 4.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202012,6410.00%
201912,6410.00%
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%
201013,7400.00%