DuPont is a city located in Washington. With a 2020 population of 9,556, it is the 91st largest city in Washington and the 3200th largest city in the United States. DuPont is currently growing at a rate of 0.21% annually and its population has increased by 16.55% since the most recent census, which recorded a population of 8,199 in 2010. DuPont reached it's highest population of 9,556 in 2021. Spanning over 6 miles, DuPont has a population density of 1,642 people per square mile.
The average household income in DuPont is $102,213 with a poverty rate of 5.11%. The median rental costs in recent years comes to $1,787 per month, and the median house value is $328,900. The median age in DuPont is 31.7 years, 30.5 years for males, and 32.9 years for females. For every 100 females there are 102.7 males.