Carefree is a town in Maricopa County, Arizona. According to 2010 Census Bureau estimates, the population of the town is 3,363.
Carefree has a desert climate with hot summers and mild winters. There are 144 days annually with highs of at least 90 °F (32 °C), 68 days of at least 100 °F (38 °C), and six freezing nights per year.
The median income for a household in the town was $88,702, and the median income for a family was $105,699. Males had a median income of $61,050 versus $38,750 for females. The per capita income for the town was $62,433. About 2.0% of families and 3.2% of the population were below the poverty line, including 1.2% of those under the age of 18 and 3.2% of those 65 and older.