The 19th district was created as a result of the redistricting cycle after the 1980 census. From then until 1993, it was a Miami-based district; much of its territory is now the 25th district.
Following the 1980 census, the 19th district was created as a result of redistricting. It served as a Miami-based district until 1993 when it transitioned to the current 25th district.