Which county in Florida is the third-most populous and is north of Deerfield Beach?
Deerfield Beach, Florida Deerfield Beach is a city in Broward County, Florida, United States. It is located just south of the Palm Beach County line. The city is named for the numerous deer that once roamed the area. As of the 2010 United States Census, the population was 75,018. It is a principal city of the Miami metropolitan area, which was home to an estimated 6,012,331 people at the 2015 census.
Fort Walton Beach, Florida Fort Walton Beach is a city in southern Okaloosa County, Florida, United States. As of 2010, the population estimate for Fort Walton Beach was 19,507 recorded by the U.S. Census Bureau. It is the principal city of the Fort Walton Beach−Crestview−Destin Metropolitan Statistical Area.