Coffee Creek is a census-designated place located within Trinity County in the U.S. state of California. It is located just north of where Coffee Creek flows into the Trinity River along the Trinity Heritage Scenic Byway and is the most northern community in Trinity County. It contains Coffee Creek Elementary School. Coffee Creek Road originates at SR 3, offering access to the interior of the Trinity Alps; the dirt road is 20 miles long and only usable by high-clearance vehicles. Coffee Creek sits at an elevation of 2,495 feet (760 m). The community's population was 152 as of the 2020 census, down from 217 from the 2010 census.