Drainage summary
Sierra County, California has a recorded population of 3,113. For drainage, the page currently shows stormwater segments: ~ 377, ditches and channels: ~ 56, low points: ~ 23, road shoulders: ~ 252, residents covered: 3,113. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.