Whitley Gardens is a census-designated place in San Luis Obispo County, California.

[2] The 2010 United States census reported Whitley Gardens's population was 285.

According to the United States Census Bureau, the CDP covers an area of 1.4 square miles (3.6 km2), 99.20% of it land and 0.80% of it water.

The 2010 United States Census[4] reported that Whitley Gardens had a population of 285.

There were 123 housing units at an average density of 88.6 per square mile (34.2/km2), of which 66 (60.0%) were owner-occupied, and 44 (40.0%) were occupied by renters.