Palm Beach County is the largest county by area in Florida. It is one of three counties that makes up the Miami metropolitan area. In 2020 the number of people in Palm Beach County was 1,492,191.[1] The area of Palm Beach County is 2,386 square miles. Palm Beach County was made in 1909. The three largest cities in Palm Beach County are West Palm Beach (117,000 people), the county seat, Boca Raton (97,000 people), and Boynton Beach (80,000 people). The county owns the southeastern area of Lake Okeechobee.
Palm Beach County was made from part of Miami-Dade County in 1909. It was split into more counties later on. In 1915 the southern part of Palm Beach County became Broward County. In 1917 the northwest part of the county became Okeechobee County. In 1925 the northern part of the county became Martin County.[2]