Creston is located close to the center of California. Creston is part of San Luis Obispo County. Creston has 0.56 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Creston population is 61. Creston median household income is $83,523 in 2010-2014. On average, the public school district that covers Creston is better than the state average in quality. The Creston area code is 805.