In 2018, Manalapan, FL had a population of 280 people with a median age of 66.5 and a median household income of $197,917. Between 2017 and 2018 the population of Manalapan, FL grew from 276 to 280, a 1.45% increase and its median household income declined from $216,250 to $197,917, a -8.48% decrease. The 5 largest ethnic groups in Manalapan, FL are White (Non-Hispanic) (92.5%), White (Hispanic) (5%), Native Hawaiian & Other Pacific Islander (Non-Hispanic) (1.07%), Black or African American (Non-Hispanic) (0.714%), and Asian (Non-Hispanic) (0.714%). NaNN% of the people in Manalapan, FL speak a non-English language, and 96.8% are U.S. citizens.