Rio Dell Flag

Rio Dell

County:
Humboldt County
County Seat:
No
Area (mi²):
2.484
State:
California

Rio Dell is a city located in Humboldt County, California. Rio Dell has a 2026 population of 3,259. Rio Dell is currently declining at a rate of -1.6% annually and its population has decreased by -3.81% since the most recent census, which recorded a population of 3,388 in 2020.

3.3K
Total Population
1,312
Density (mi²)
-53 -1.6%
Growth