California Sea Otters Numbers Holding Steady Wednesday, September 24, 2014 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. Lilian Carswell/USFWS Despite the many factors pushing against the California sea otters' population recovery, the otters are holding steady in numbers. The USGS reported the 2014 population index as 2,944 which a slight increase from the reported 2013 population. LINK: Monterey Aquarium Sea Otter Program Slowly Swimming towards recovery Californias sea otter numbers holding steady U.S. Fish and Wildlife Service: Federal recovery plan for southern sea otters California sea otter population annual data Elkhorn Slough Otter Cam