In 2018, Royal Palm Beach, FL had a population of 38.3k people with a median age of 39.8 and a median household income of $74,740. Between 2017 and 2018 the population of Royal Palm Beach, FL grew from 37,665 to 38,344, a 1.8% increase and its median household income grew from $73,296 to $74,740, a 1.97% increase. The 5 largest ethnic groups in Royal Palm Beach, FL are White (Non-Hispanic) (47.7%), Black or African American (Non-Hispanic) (23.6%), White (Hispanic) (21.2%), Asian (Non-Hispanic) (3.58%), and Other (Hispanic) (1.44%). NaNk% of the people in Royal Palm Beach, FL speak a non-English language, and 91.1% are U.S. citizens.