In 2018, Riviera Beach, FL had a population of 34.4k people with a median age of 36.1 and a median household income of $44,871. Between 2017 and 2018 the population of Riviera Beach, FL grew from 34,093 to 34,352, a 0.76% increase and its median household income grew from $42,840 to $44,871, a 4.74% increase. The 5 largest ethnic groups in Riviera Beach, FL are Black or African American (Non-Hispanic) (69.1%), White (Non-Hispanic) (20.3%), White (Hispanic) (5.13%), Asian (Non-Hispanic) (1.9%), and Two+ (Non-Hispanic) (1.72%). NaNk% of the people in Riviera Beach, FL speak a non-English language, and 91.9% are U.S. citizens.