Deltona is a city located in Volusia County, Florida, in the United States. Situated on the northern shore of Lake Monroe, it serves as a principal city within the Deltona–Daytona Beach–Ormond Beach metropolitan area. As of the 2020 census, the city had a population of 93,692.
The city is notable for its regional significance, ranking as the second largest city in the Greater Orlando combined statistical area. The broader Deltona–Daytona Beach–Ormond Beach metropolitan area was home to an estimated 685,344 people in 2021.