Castle Hills, Texas Demographics & Population 2026
During the 2020–2024 ACS period, Castle Hills, Texas had a total population of 3,943, the 498th largest city in Texas, with a median household income of $95,391, which is 22% higher than the state average. The poverty rate is 6.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 49.2% of adults hold a bachelor's degree or higher — top 10% in Texas.
- Near full employment with an unemployment rate of just 2.4%.
Castle Hills Quick Facts
How Castle Hills Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,961 | 3,943 | -0.5% |
| Median household income | $95,583 | $95,391 | -0.2% |
| Median home value | $429,000 | $419,400 | -2.2% |
How Castle Hills Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
Castle Hills Rankings in Texas
Explore Texas Rankings
Other Cities in Bexar County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| San Antonio | 1,479,835 | $65,056 | 17.2% | $235,700 |
| Schertz | 44,050 | $99,948 | 5.2% | $317,100 |
| Timberwood Park | 35,413 | $157,100 | 6.0% | $510,600 |
| Cibolo | 35,109 | $122,365 | 4.1% | $351,900 |
| Converse | 29,607 | $94,222 | 11.6% | $248,400 |
| Universal City | 20,189 | $74,811 | 8.8% | $269,600 |
| Live Oak | 15,984 | $79,696 | 5.5% | $246,300 |
| Selma | 11,503 | $97,066 | 6.2% | $313,900 |
| Leon Valley | 11,446 | $59,481 | 12.9% | $253,200 |
| Fair Oaks Ranch | 10,728 | $174,327 | 2.4% | $657,600 |
Cities Similar to Castle Hills
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hudson Bend | 4,127 | $95,703 | $678,400 | 55.8% | 5.8% |
| Central Gardens | 3,976 | $83,750 | $216,700 | 30.7% | 12.7% |
| Farmersville | 4,018 | $81,036 | $289,400 | 12.3% | 9.1% |
| Edgecliff Village | 3,766 | $85,242 | $280,000 | 24.6% | 5.9% |
| Magnolia | 4,068 | $78,605 | $322,800 | 26.9% | 5.0% |
Population Overview
Castle Hills is a small community located in Texas, within Bexar County. The total population is 3,943. It ranks as the 498th most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in Castle Hills is 41.4 years. This is 16% higher than the state median of 35.6 years.
Economy, Income & Housing
The median household income in Castle Hills is $95,391. This is 22% higher than the state median of $78,476. It is also 18% higher than the national median of $80,734. The poverty rate stands at 6.9%. This is 50% lower than the state poverty rate of 13.8%. The unemployment rate is 2.4%. This is 54% lower than the state rate of 5.3%. The median home value is $419,400. Housing costs are 48% higher than the state median of $283,800. The home-value-to-income ratio is 4.4x. 78.9% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 62.6%.
Race & Ethnicity
The largest racial or ethnic group in Castle Hills is Hispanic or Latino, making up 55.2% of the population. White (non-Hispanic) residents account for 37.2%. The Black or African American population (1.2%) is well below the state average of 11.9%.
Education
49.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Castle Hills in the top 10% of all cities in the state for educational attainment. This is 45% higher than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.9%. Notably, 19.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Castle Hills, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Castle Hills, Texas?
Castle Hills, Texas has a population of 3,943 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Castle Hills, TX?
The median household income in Castle Hills is $95,391, which is 18% higher than the national median of $80,734.
What is the poverty rate in Castle Hills, TX?
The poverty rate in Castle Hills is 6.9%. This means approximately 271 residents live below the federal poverty line.
What is the racial makeup of Castle Hills, Texas?
Castle Hills's population is 37.2% White, 1.2% Black, 55.2% Hispanic/Latino, and 3.5% Asian.
What is the median home value in Castle Hills, TX?
The median home value in Castle Hills is $419,400. The home-value-to-income ratio is 4.4x.
How educated is Castle Hills, Texas?
49.2% of adults (25+) in Castle Hills hold a bachelor's degree or higher, and 19.1% hold a graduate or professional degree.