In 2018, Suffolk County, NY had a population of 1.48M people with a median age of 41.8 and a median household income of $100,468. Between 2017 and 2018 the population of Suffolk County, NY declined from 1.49M to 1.48M, a -0.794% decrease and its median household income grew from $94,750 to $100,468, a 6.03% increase.
The 5 largest ethnic groups in Suffolk County, NY are White (Non-Hispanic) (67%), White (Hispanic) (14.4%), Black or African American (Non-Hispanic) (7.37%), Asian (Non-Hispanic) (3.96%), and Other (Hispanic) (3.67%). 22.1% of the households in Suffolk County, NY speak a non-English language at home as their primary language, and 93.5% of the residents in Suffolk County, NY are U.S. citizens.
The largest universities in Suffolk County, NY are Stony Brook University (8,431 degrees awarded in 2019), Suffolk County Community College (3,604 degrees), and Farmingdale State College (2,133 degrees).
In 2018, the median property value in Suffolk County, NY was $409,400, and the homeownership rate was 79.5%. Most people in Suffolk County, NY drove alone to work, and the average commute time was 32 minutes. The average car ownership in Suffolk County, NY was 2 cars per household.