Brevard County is a county located in the U.S. state of Florida, along the coast of the Atlantic Ocean. As of 2005 U.S. Census Bureau estimates, the population is 531,250. Because of the presence of the John F. Kennedy Space Center, Brevard County is also known as the Space Coast. The official county seat is Titusville, however nearly all county administration is performed from Viera. There has been no official change to the county seat since 1894. Since Brevard County extends so far from north to south, it has more than one county courthouse and police station. The government services are not centralized in one location, as they are in many American counties.

According to the U.S. Census Bureau, the county has a total area of 4,032 km² (1,557 mi²). 2,637 km² (1,018 mi²) of it is land and 1,395 km² (539 mi²) of it (34.60%) is water, primarily the Atlantic Ocean, the St. John's River and the Indian River Lagoon. As of the census² of 2000, there were 476,230 people, 198,195 households, and 132,394 families residing in the county. The population density was 181/km² (468/mi²). There were 222,072 housing units at an average density of 84/km² (218/mi²). The racial makeup of the county was 86.81% White, 8.40% Black or African American, 0.37% Native American, 1.50% Asian, 0.06% Pacific Islander, 1.09% from other races, and 1.77% from two or more races. 4.61% of the population were Hispanic or Latino of any race.