As of the 2020 United States Census, Milton had a population of approximately 41,296 residents. The city has seen steady but highly managed growth since its incorporation, prioritizing low-density residential development.
Demographically, Milton is known for being an affluent, highly educated community. A significant majority of adults hold a bachelor's degree or higher. The racial and ethnic composition is predominantly White (around 70-75%), with a growing and significant Asian population (approximately 15%), along with smaller populations of Hispanic, African American, and mixed-race residents.
The city boasts a very high median household income, consistently reporting figures well above $120,000 to $130,000, which is substantially higher than state and national averages. Consequently, poverty rates in Milton are exceptionally low. The population features a strong presence of families, with a large percentage of households containing children under the age of 18, drawn to the area's top-tier schools and safe neighborhoods.

