Kirkwood is a census-designated place in Alpine and Amador counties, California, United States. The population was 158 at the 2010 census. Kirkwood's main attraction is the Kirkwood Mountain Resort. The town is accessible by State Route 88. Kirkwood is within the Eldorado National Forest.
According to the United States Census Bureau, the CDP has a total area of 5.3 square miles (14 km sq), of which 4.4 square miles (11 km sq) is land and 1.0 square mile (2.6 km sq) (18.28%) is water.