Blythe
- County:
- Riverside County
- County Seat:
- No
- Area (mi²):
- 26.504
- State:
- California
Blythe is a city located in Riverside County, California. Blythe has a 2026 population of 17,320. Blythe is currently declining at a rate of -2.98% annually and its population has decreased by -2.66% since the most recent census, which recorded a population of 17,793 in 2020.