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San Castle, FL
Census-designated place in Palm Beach County, Florida.
Population
3,052
Land area
0.4sq mi
People per sq mi
7,273
ZIP codes
0
San Castle and its ZIP codes
San Castle at a glance
- San Castle is about 17 times as dense as Florida as a whole.
- The median household income is $57,228, 23% below the Florida median of $74,568.
- A typical owner-occupied home is valued at $303,900 (15% below Florida) and median rent is $1,596 a month.
Local data for San Castle, FL
Counts from official public data
Housing and community stats
San Castle, FL, American Community Survey 2020-2024
Median household income
$57,228
Poverty rate
19.0%
Median home value
$303,900
Median rent
$1,596/mo
Homeownership
64.3%
Bachelor's or higher
17.6%
Median age
36.4
Average commute
28.8 min
Largest reported origins and ancestries: Haitian Americans (461), Puerto Ricans (331), Salvadoran Americans (272).
Economy and federal money
Jobs, pay, income and spending are for Palm Beach County. PPP loans are for San Castle.
Unemployment rate
4.4%
Sep 2026, +0.1 pts in a year
Average annual pay
$82,085
670,798 jobs, 2025
Income per person
$126,852
BEA, 2024
Federal spending
$12.8B
FY 2026, $8,585 per person
How people get to work
San Castle, FL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone58.4%
- Carpooled20.9%
- Public transit5.6%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other11.4%
- Worked from home3.7%
Average one-way commute: 28.8 minutes for people who do not work from home.
Environment and hazard risk
San Castle, FL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: hurricane
Storm events since 1996
1,296
Countywide, mostly thunderstorm wind
Flood insurance policies
69,154
13.0% of homes, county
July high / Jan low
90° / 58°F
61.7 inches of rain a year
Health statistics
Share of adults in San Castle, FL, CDC PLACES estimates
Obesity
35.0%
U.S. 33.3% +1.7 pts
Diabetes
18.4%
U.S. 12.1% +6.3 pts
Smoking
20.8%
U.S. 12.8% +8.0 pts
Uninsured (18-64)
29.0%
U.S. 11.1% +17.9 pts
Cities near San Castle
| Name | Distance | Land area (sq mi) |
|---|---|---|
| HypoluxoTown | 0.5 mi | 0.6 |
| ManalapanTown | 1.1 mi | 0.4 |
| LantanaTown | 1.3 mi | 2.4 |
| South Palm BeachTown | 2.2 mi | 0.1 |
| Ocean RidgeTown | 2.4 mi | 0.8 |
| Boynton BeachCity | 2.7 mi | 16.1 |
| Seminole ManorCensus-designated place | 2.8 mi | 0.3 |
| AtlantisCity | 3.4 mi | 1.4 |
| Briny BreezesTown | 3.8 mi | 0.1 |
| Lake Worth BeachCity | 3.9 mi | 5.9 |
| GolfVillage | 5.1 mi | 0.8 |
| Palm SpringsVillage | 5.2 mi | 4.2 |
| Gulf StreamTown | 5.4 mi | 0.8 |
| Kenwood EstatesCensus-designated place | 5.5 mi | 0.2 |
| Lake Clarke ShoresTown | 5.6 mi | 0.9 |
| Acacia VillasCensus-designated place | 6.4 mi | 0.1 |
Frequently asked questions
- What county is San Castle, FL in?
- San Castle is in Palm Beach County, Florida.
- What is the population of San Castle, FL?
- About 3,052 people live in San Castle, based on American Community Survey 5-year estimates.
- What cities are near San Castle?
- Nearby places include Hypoluxo (0.5 mi), Manalapan (1.1 mi), Lantana (1.3 mi), South Palm Beach (2.2 mi), Ocean Ridge (2.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023