. Main articles: History of Miami and Timeline of Miami. University of Miami This map made by the U.S military shows the term "Everglades" was in use by 1857. Exports and import As of 2010 28.07% of the population spoke only English at home while 63.77% of the population spoke Spanish 4.22% spoke French Creole (mainly Haitian Creole) 0.64% French and 0.55% Portuguese 52% of the county residents were born outside the United States while 71.93% of the population spoke a language other than English at home, The Central Business District (CBD) is the traditional downtown of Miami, College of Law In 2018 there were more than 427,824 millionaires in the state the fourth highest number in the nation. Miami-Dade Water and Sewer Department (MDWASD) is one of the largest public utilities in the United States employing approximately 2,700 employees as of 2007 it provides service to over 2.4 million customers operating with an annual budget of almost $400 million Approximately 330 million gallons of water are drawn everyday from the Biscayne Aquifer for consumer use MDWASD has over 7,100 miles (11,400 km) of water lines a service area of 396 square miles (1,026 km2) and 14 pump stations MDWASD has over 3,600 miles (5,800 km) of sewage pipes a service area of 341 square miles (883 km2) and 954 pump stations. Riverside Elementary School for CBD children NASCAR (headquartered in Daytona Beach) begins all three of its major auto racing series in Florida at Daytona International Speedway in February featuring the Daytona 500 and ends all three Series in November at Homestead-Miami Speedway Daytona also has the Coke Zero Sugar 400 NASCAR race weekend around Independence Day in July the 24 Hours of Daytona is one of the world's most prestigious endurance auto races the Grand Prix of St Petersburg and Grand Prix of Miami have held IndyCar races as well.
Miami-Dade County has 10 major expressways and 1 minor expressway in Downtown Miami. As part of the North Terminal Development project Concourse C closed on September 1 2009 and was demolished the demolition of Concourse C allowed for the construction of new gates where the concourse stood.
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