San Castle, FL
Population 3,159 · Florida
About San Castle, FL
San Castle is a small community in Florida with a population of 3,159 residents. The median household income is $51,615 per year, which is near the national average. The median age in San Castle is 36.7 years.
Housing in San Castle has a median home value of $256,400 and median monthly rent of $1,589. Of the 1,153 total housing units, the majority are owner-occupied, with 625 owner-occupied and 387 renter-occupied units.
The unemployment rate in San Castle is 6.2% and the poverty rate is 24.1%. 21.7% of residents hold a bachelor's degree or higher. The average commute time is 29.3 minutes.
Cost of Living in San Castle, FL
Compared to national averages, San Castle has a median household income of $51,615 (31% below the national median of $75,149). Home values average $256,400, which is 5% above the national median. Monthly rent at $1,589 is 37% above the US average of $1,163. Within Florida, San Castle's income is 32% below the state average of $75,893, and home values are 28% below the state median of $353,675.
Why Live in San Castle, FL?
Potential considerations include median household income ($51,615) that falls below the national average. However, San Castle’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
San Castle has a population of 3,159 with a median age of 36.7 years. Compare San Castle with other cities to see how it stacks up, or explore all cities in Florida.
Similar Cities Near San Castle
Cities in Florida with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Dover | 3,157 | $42,222 | $215,500 | Compare |
| Bushnell | 3,148 | $52,723 | $109,200 | Compare |
| Carrabelle | 3,145 | $57,143 | $149,600 | Compare |
| Holden Heights | 3,108 | $44,506 | $189,100 | Compare |
| Williston Highlands | 3,213 | $69,249 | $187,400 | Compare |
| Port Richey | 3,229 | $45,435 | $256,500 | Compare |
| Melbourne Beach | 3,237 | $86,563 | $634,400 | Compare |
| South Beach | 3,081 | $188,095 | $860,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Florida
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about San Castle
What is the population of San Castle, FL?
The population of San Castle, FL is 3,159 according to the latest Census data.
What is the median household income in San Castle?
The median household income in San Castle, FL is $51,615 per year.
What is the median home value in San Castle?
The median home value in San Castle, FL is $256,400.
What is the average rent in San Castle?
The median monthly rent in San Castle, FL is $1,589.
What is the unemployment rate in San Castle?
The unemployment rate in San Castle, FL is 6.2%.