San Castle CDP, Florida Demographics & Population 2026

Population Overview

San Castle CDP is a small community located in Florida. The total population is 3,159. It ranks as the 583rd most populous out of 953 cities and towns in Florida.

Age Demographics

The median age in San Castle CDP is 36.7 years. This is 14% lower than the state median of 42.6 years.

Economy, Income & Housing

The median household income in San Castle CDP is $51,615. This is 28% lower than the state median of $71,711. Compared to the national median of $78,538, household income here is 34% lower. The poverty rate stands at 24.1%. This is 91% higher than the state poverty rate of 12.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.2%. This is 28% higher than the state rate of 4.8%. The median home value is $256,400. Housing costs are 21% lower than the state median of $325,000. The home-value-to-income ratio is 5.0x. 61.8% of occupied housing units are owner-occupied. This homeownership rate is 8% lower than the state average of 67.3%.

Race & Ethnicity

San Castle CDP is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Black or African American residents account for 32.8%. The Black or African American population is significantly higher than the state average (32.8% vs 14.8%).

Education

21.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% lower than the state rate of 33.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 68.2%.

Data Sources & Methodology

All demographic data for San Castle CDP, Florida is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Florida state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 953 Census-designated places in Florida. For official data, visit data.census.gov.