About This Place
Big River is a census-designated place (CDP) in San Bernardino County, California, United States. The population was 1,327 at the 2010 census, up from 1,266 at the 2000 census.
Big River is located on the west bank of the Colorado River at 34°8′2″N 114°22′11″W / 34.13389°N 114.36972°W / 34.13389; -114.36972 (34.134021, -114.369782).
According to the United States Census Bureau, the CDP has a total area of 11.4 square miles (29.4 km²). 10.8 square miles (28.0 km²) of it is land and 0.5 square miles (1.4 km²) of it (4.60%) is water.