5 Fastest Declining Cities in Florida

2. Aventura City

Population Change: -2.8%

In Aventura City, the racial composition is predominantly White at 69.47%. The city is second on our list of the fastest declining cities in Florida. It has experienced a population decline of 2.8% since 2020. The average household income in the city is $120,671, and the poverty rate stands at 12.44%.