About Penryn CDP, California
Penryn is a census-designated place in Placer County, California. The population was 10,138 at the 2010 census.
Penryn is located at 38°52′24″N 121°10′57″W (38.873360, -121.182153). It is situated on the outskirts of the Greater Sacramento Metropolitan Area.
According to the United States Census Bureau, the CDP has a total area of 7.0 square miles (18 km2), all of it land.