In 2019, Nassau County, NY had a population of 1.36M people with a median age of 41.9 and a median household income of $118,453. Between 2018 and 2019 the population of Nassau County, NY declined from 1.36M to 1.36M, a −0.104% decrease and its median household income grew from $116,304 to $118,453, a 1.85% increase.
The 5 largest ethnic groups in Nassau County, NY are White (Non-Hispanic) (58.2%), Black or African American (Non-Hispanic) (11.3%), Asian (Non-Hispanic) (10.3%), White (Hispanic) (9.16%), and Other (Hispanic) (6.14%). 30.2% of the households in Nassau County, NY speak a non-English language at home as their primary language.
93% of the residents in Nassau County, NY are U.S. citizens.
The largest universities in Nassau County, NY are Long Island University (3,610 degrees awarded in 2020), Hofstra University (3,276 degrees), and Nassau Community College (2,884 degrees).
In 2019, the median property value in Nassau County, NY was $561,400, and the homeownership rate was 80.6%. Most people in Nassau County, NY drove alone to work, and the average commute time was 35.1 minutes. The average car ownership in Nassau County, NY was 2 cars per household.
Nassau County, NY borders Fairfield County, CT, Bronx County, NY, Queens County, NY, Suffolk County, NY, and Westchester County, NY.