Grant-Valkaria is a town in Brevard County, Florida. It is part of the Palm Bay–Melbourne–Titusville, Florida Metropolitan Statistical Area. The town's population was 4,509 as the 2020 census, up from 3,850 at the 2010 census.

Brevard County is a county in Central East Florida on the Atlantic coast of the U.S. state of Florida. As of the 2020 census, the population was 606,612, making it the 10th-most populated county in Florida. The official county seat is located in Titusville. Brevard County comprises the Palm Bay–Melbourne–Titusville, FL Metropolitan Statistical Area. It is located along the east Florida coast and bordered by the Atlantic Ocean.