San Castle, FL Profile: Facts & Data

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San Castle, Florida - Basic Facts

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The San Castle CDP(1) had a population of 3,653 as of July 1, 2021. San Castle ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Florida. See peer rankings below.

The primary coordinate point for San Castle is located at latitude 26.5651 and longitude -80.0611 in Palm Beach County. The formal boundaries for the San Castle Census Designated Place encompass a land area of 0.42 sq. miles and a water area of 0 sq. miles.

The San Castle Census Designated Place has a U2 Census Class Code which indicates a census designated place without an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Florida is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The San Castle Census Designated Place is located within Boynton Beach-Delray Beach CCD of Palm Beach County.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. San Castle 2021 Demographic Data
  2. Growth Rates for San Castle (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Florida Research Tools (Easy Tools & Current Data)
  3. Florida Data Comparison Tool - 2021 Demographics
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San Castle, FL Data & Demographics (As of July 1, 2021)

POPULATION

Total Population 3,653 (100%)
Population in Households 3,640 (99.6%)
Population in Families 2,927 (80.1%)
Population in Group Quarters1 13 ( 0.4%)
Population Density 8,691
Diversity Index2 79
 
 

INCOME

Median Household Income $56,711
Average Household Income $70,125
% of Income for Mortgage4 14%
Per Capita Income $24,111
Wealth Index5 57
 

HOUSING

Total HU (Housing Units) 1,296 (100%)
Owner Occupied HU 728 (56.2%)
Renter Occupied HU 438 (33.8%)
Vacant Housing Units 130 (10.0%)
Median Home Value $186,173
Average Home Value $280,761
Housing Affordability Index3 181
 

HOUSEHOLDS

Total Households 1,166
Average Household Size 3.12
Family Households 770
Average Family Size 4
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2021 2021-2026
Population 0.51% 0.66%
Households 0.47% 0.61%
Families -0.05% 0.59%
Median Household Income   1.91%
Per Capita Income   2.22%
Owner Occupied HU   0.76%

San Castle, FL - Peer Comparisons by Rank and Percentile

The table below compares San Castle to the other 919 incorporated cities, towns and CDPs in Florida by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 547 41st
Population Density # 28 97th
Median Household Income # 414 55th
Housing Affordability Index # 766 83rd
Per Capita Income # 636 31st
Diversity Index # 44 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Florida Census Data Comparison Tool.

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