Duncans Mills Real EstateDuncans Mills is located in California. Duncans Mills, California has a population of 6. The county average for households married with children is 30.47%. The median household income for the surrounding county is $71,769 compared to the national median of $57,652. Duncans Mills WeatherThe average high temperature in July is 78.3 degrees, with an average low temperature in January of 41.2 degrees. The average rainfall is approximately 43.8 inches per year, with 0 inches of snow per year. Duncans Mills MapReal estate near Duncans MillsNearby CitiesNearby Cities Homes for Sale |