Duncan is located in Arizona. Duncan, Arizona has a population of 728. Duncan is less family-centric than the surrounding county with 19% households with children. The county percentage for households with children is 31%.
The median household income in Duncan, Arizona is $45,842. The median household income for the surrounding county is $64,472 compared to the national median of $66,222. The median age of people living in Duncan is 41.8 years.
The average high temperature in July is 98.31 degrees, with an average low temperature in January of 27.85 degrees. The annual precipitation is 12.81.