West Palm Beach is a city in and the county seat of Palm Beach County, Florida, United States.  It is located immediately to the west of the adjacent Palm Beach, which is situated on a barrier island across the Lake Worth Lagoon. The population was 100,343 (revised) at the 2010 census. The US Census estimates a 2016 population of 108,896, a 7.9% increase from 2010.

It is the oldest incorporated municipality in the Miami metropolitan area, having been incorporated as a city two years before Miami in November 1894. West Palm Beach is located approximately 68 miles (109 km) north of Downtown Miami. The estimated population of the Miami metropolitan area, which includes all of Palm Beach County, was 6,012,331 people at the 2015 census.