Pajaro Dunes is a census-designated place (CDP) in Santa Cruz County, California.

[2] The 2020 United States census reported Pajaro Dunes' population was 122.

According to the United States Census Bureau, the CDP covers an area of 2.6 square miles (6.7 km2), 99.00% of it land and 1.00% of it water.

The 2010 United States Census[5] reported that Pajaro Dunes had a population of 144.

There were 567 housing units at an average density of 219.1 per square mile (84.6/km2), of which 37 (69.8%) were owner-occupied, and 16 (30.2%) were occupied by renters.