Melbourne () is a city in Brevard County, Florida, United States. It is located 72 miles (116 km) southeast of Orlando and 175 miles (282 km) northwest of Miami. As of the 2020 Decennial Census, there was a population of 84,678. The municipality is the second-largest in the county by both size and population. Melbourne is a principal city of the Palm Bay – Melbourne – Titusville, Florida Metropolitan Statistical Area. In 1969, the city was expanded by merging with nearby Eau Gallie.