In 2018, Gulf Stream, FL had a population of 740 people with a median age of 54.5 and a median household income of $180,341. Between 2017 and 2018 the population of Gulf Stream, FL declined from 752 to 740, a -1.6% decrease, and its median household income grew from $170,625 to $180,341, a 5.69% increase. The 5 largest ethnic groups in Gulf Stream, FL are White (Non-Hispanic) (91.4%), White (Hispanic) (4.19%), Black or African American (Non-Hispanic) (2.16%), Asian (Non-Hispanic) (1.35%), and Two+ (Non-Hispanic) (0.946%). NaNN% of the people in Gulf Stream, FL speak a non-English language, and 96.9% are U.S. citizens.