Renton
- County:
- King County
- County Seat:
- No
- Area (mi²):
- 23.54
- State:
- Washington
Renton is a city located in King County, Washington. Renton has a 2026 population of 105,543. Renton is currently growing at a rate of 0.95% annually but its population has decreased by -1.12% since the most recent census, which recorded a population of 106,734 in 2020.