Aptos is a census-designated place (CDP) in Santa Cruz County, California, United States. The population was 6,220 at the 2010 census. Aptos is bisected northwest-to-southeast by the State Route 1 freeway.
Aptos is also an unincorporated town defined by ZIP codes 95001 and 95003. The town includes several small communities with a combined population of 24,402:
- Aptos Hills-Larkin Valley, a rural area north of State Route 1
- Seacliff, south of State Route 1, west of Aptos Creek
- Rio Del Mar, south of State Route 1, from Aptos Creek southeast to Seascape
- Seascape, south of State Route 1, centered on Seascape Beach Resort