HomeNew YorkSuffolk CountyStony Brook CDP
Stony Brook CDP, New York: commercial real estate data.
Stony Brook CDP is a Census CDP of 12,868 people across 5.82 square miles of land, in Suffolk County. Median household income is $174,872, 90.8 percent of occupied homes are owned, and the SBA record carries 26 7(a) approvals to borrowers here worth $7.7 m.
76 sourced place values · tier FULL · 8 sections · underlined figures are computed by MMCG Analytics, not published by the agency
Stony Brook
What Stony Brook is
- Census place typeCDP
- Land area5.82 sq mi
- Water area0.42 sq mi
- Population per square mile of land2,210
- County holding the largest share of its areaSuffolk County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Stony Brook
How many people live in Stony Brook
- Population12,868
- Median age44.9
- Population under 182,490
- Share under 1819.4 percent
- Population 65 and over2,867
- Share 65 and over22.3 percent
- Households4,480
- Family households3,443
- Share of households that are families76.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Stony Brook
Income and work in Stony Brook
- Median household income$174,872
- Per capita income$72,994
- Civilian labor force6,654
- Employed6,305
- Unemployed349 plus or minus 190
- Unemployment rate5.2 percent plus or minus 2.8
- Adults 25 and over8,871
- Adults 25 and over with a high school diploma or higher96.6 percent
- Adults 25 and over with a bachelor degree or higher68.3 percent
- Adults 25 and over with a graduate degree44.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Stony Brook
Housing in Stony Brook
- Housing units4,943
- Occupied units4,480
- Vacant units463 plus or minus 210
- Vacancy rate9.4 percent plus or minus 4.2
- Owner occupied4,066
- Renter occupied414 plus or minus 123
- Ownership rate90.8 percent
- Median owner-occupied home value$623,300
- Median gross rent, monthly$3,501
- Annual rent as a share of median income24.0 percent
- Single family units4,783
- Share single family96.8 percent
- Units in buildings of two or more147 plus or minus 80
- Share in buildings of two or more3.0 percent plus or minus 1.6
- Mobile homes13 plus or minus 23
- Median year structure built1965
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Stony Brook
How Stony Brook gets to work
- Workers 16 and over who commute5,035
- Commuting under 15 minutes1,277
- Share commuting under 15 minutes25.4 percent
- Commuting 30 minutes or more2,180
- Share commuting 30 minutes or more43.3 percent
- Drove alone70.9 percent
- Carpooled4.7 percent plus or minus 1.8
- Public transport2.0 percent plus or minus 1.0
- Walked1.3 percent plus or minus 1.0
- Worked from home19.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Stony Brook
SBA loans in Stony Brook (7(a))
- Approvals26
- Gross approval$7,732,100
- Average approval$297,388
- Median approval$150,000
- Ninetieth percentile approval$830,000
- Largest approval$1,745,000
- Jobs supported219
- Jobs per approval8.4
- Loans with a final outcome6
- Paid in full5
- Charged off1
- Median term120 months
- Share on real estate terms of 20 years or more7.7 percent
- Share to franchises11.5 percent
- Distinct lenders16
- Distinct industries by NAICS21
A charge-off rate is not published here. only 6 resolved loans, too few to publish a rate, and a rate over that few outcomes would move several points on one loan.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Stony Brook
SBA loans in Stony Brook (504)
- Approvals1
- Gross approval$365,000
- Average approval$365,000
- Median approval$365,000
- Largest approval$365,000
- Jobs supported3
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs1
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Suffolk County, not Stony Brook
Suffolk County context, not Stony Brook figures
These are Suffolk County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Stony Brook measurements.
- Establishments in Suffolk County50,748
- Employment at those establishments, Suffolk County592,580
- Covered employment, Suffolk County679,594
- Average annual pay, Suffolk County$79,121
- Average weekly wage, Suffolk County$1,522
- Housing units permitted, Suffolk County1,407
- Of those, single family, Suffolk County1,137
- County product, 2024, Suffolk County$139,014,125,000
- County product change over the prior year, Suffolk County5.9 percent
- Average income of an arriving household, Suffolk County$144,254
Every figure in this section is published for Suffolk County as a whole and is not a measurement of Stony Brook. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- This place is not listed as a community in the FEMA Community Status Book, so no NFIP participation or CRS class is shown.
- Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.
SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.
Common questions
Stony Brook questions, answered from the record.
How many people live in Stony Brook, New York?
12,868, in 4,480 households. Stony Brook CDP covers 5.82 square miles of land, which is 2,210 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Stony Brook in?
Suffolk County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Stony Brook?
$174,872. The median owner-occupied home is valued at $623,300. Median gross rent is $3,501 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Stony Brook businesses?
26 7(a) approvals totalling $7.7 m, across 16 lenders, median approval $150,000, plus 1 504 approvals worth $365,000. These count approvals to borrowers whose address is in Stony Brook, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Stony Brook borrowers get paid back?
No rate is published for Stony Brook. only 6 resolved loans, too few to publish a rate, and a percentage over that few outcomes would move several points on a single loan. The counts are shown instead.
Are the county figures on this page Stony Brook figures?
No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Suffolk County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Stony Brook.
Is zoning published for Stony Brook?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.