The richest county in Florida is Palm Beach County. The county has a population of over 1.4 million people and an estimated GDP of $145 billion. The median household income in the county is $87,000, and the per capita income is $49,000. Palm Beach County is home to many wealthy individuals and families, including some of the wealthiest people in the United States. The county’s largest city is West Palm Beach, which is also one of the wealthiest cities in Florida. Other major cities in Palm Beach County include Boca Raton, Wellington, Jupiter, and Delray Beach.