DuPont
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 5.821
- State:
- Washington
DuPont is a city located in Pierce County, Washington. DuPont has a 2026 population of 9,823. DuPont is currently growing at a rate of 0.02% annually but its population has decreased by -2.88% since the most recent census, which recorded a population of 10,114 in 2020.