More than 14,000 residents from Miami-Dade County moved north to Broward County in 2015.
New data released Thursday by the U.S. Census Bureau show county-by-county migration trends in Florida in 2015, the most recent year figures are available.
A Forbes report released earlier this year listed Miami as the worst city for renters in 2017.
Miami-Dade's biggest source of new residents came from Brooklyn, New York.
Palm Beach County's biggest source of new residents came from its southern neighbor, Broward County.
In Orange County, the home to Orlando, the biggest source of new residents came from Miami-Dade County.
In Hillsborough County, home to Tampa, the largest source of new residents came from the other side of the state, the Space Coast's Brevard County.