Dupont is located in Washington. Dupont, Washington has a population of 9,303. Dupont is more family-centric than the surrounding county with 51.56% of the households containing married families with children. The county average for households married with children is 33.08%.
The median household income in Dupont, Washington is $77,712. The median household income for the surrounding county is $63,881 compared to the national median of $57,652. The median age of people living in Dupont is 31.3 years.
The average high temperature in July is 75.2 degrees, with an average low temperature in January of 37.5 degrees. The average rainfall is approximately 49.2 inches per year, with 10.8 inches of snow per year.