Cost of living in San Castle, FL

San Castle is a census-designated place in Palm Beach County, FL. ACS 2024 5-year population is 3,052. Median gross rent is $1,596 (ACS 2024 5-year, this place). Median home value is $303,900. Median household income is $57,228. Insurance is the NAIC state average; food is a USDA plan — no town indexes.