In 2020, Stony Brook, NY had a population of 11.8k people with a median age of 45.9 and a median household income of $122,470. Between 2019 and 2020 the population of Stony Brook, NY declined from 12,428 to 11,785, a −5.17% decrease and its median household income grew from $120,476 to $122,470, a 1.66% increase.
The 5 largest ethnic groups in Stony Brook, NY are White (Non-Hispanic) (77.5%), Asian (Non-Hispanic) (14.9%), White (Hispanic) (4.14%), Black or African American (Non-Hispanic) (1.1%), and Two+ (Non-Hispanic) (1.04%).
None of the households in Stony Brook, NY reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
94.6% of the residents in Stony Brook, NY are U.S. citizens.
In 2020, the median property value in Stony Brook, NY was $466,000, and the homeownership rate was 91.6%. Most people in Stony Brook, NY drove alone to work, and the average commute time was 31.6 minutes. The average car ownership in Stony Brook, NY was 2 cars per household.