About This Place
Boulder Creek is a census-designated place (CDP) in Santa Cruz County, California, United States. The population was 4,923 at the 2010 census.
Boulder Creek is located at 37Â°7â²30â³N 122Â°7â²30â³W / 37.125Â°N 122.125Â°W / 37.125; -122.125 (37.125, -122.125).
According to the United States Census Bureau, the CDP has a total area of 7.5 square miles (19.5 kmÂ²), all of it land.