Castro County, Texas Demographics 2026
Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology
Castro County, Texas has a population of 7,344, the 182nd most populous county in Texas. The median household income is $56,776 and the median home value is $95,000. The poverty rate is 19.2%.
Castro County Quick Facts
How Castro County Changed
Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.
| Metric | 2015–2019 | 2020–2024 | Change |
|---|---|---|---|
| Population | 7,673 | 7,344 | -4.3% |
| Median household income | $61,710 | $56,776 | No clear change (-8.0%) |
| Median home value¹ | $100,795 | $95,000 | No clear change (-5.7%) |
| Median gross rent | $772 | $896 | No clear change (+16.1%) |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
- White: 29.7%
- Black: 1.2%
- Hispanic: 65.6%
- Asian: 0.9%
- Other: 0.0%
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
- < HS: 25.8%
- HS Diploma: 31.7%
- Some College: 17.9%
- Associate's: 5.9%
- Bachelor's: 14.8%
- Graduate+: 3.8%
Cities & Places in Castro County
Explore Texas Rankings
Population Overview
Castro County is located in Texas with a total population of 7,344. It is the 182nd most populous county out of 254 in Texas. The county encompasses 3 Census-designated places.
Age Demographics
The median age in Castro County is 34.5 years. This is 3% lower than the state median of 35.6 years. With 29.1% of the population under 18, Castro County has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Castro County is $56,776. This is 28% lower than the state median of $78,476. It is also 30% lower than the national median of $80,734. The poverty rate stands at 19.2%. This is 39% higher than the state poverty rate of 13.8%. The unemployment rate is 3.7%. This is 29% lower than the state rate of 5.3%. The median home value is $95,000. Housing costs are 67% lower than the state median of $283,800. With a home-value-to-income ratio of just 1.7x, Castro County is one of the most affordable housing markets in the area. 63.6% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 62.6%.
Race & Ethnicity
The largest racial or ethnic group in Castro County is Hispanic or Latino, making up 65.6% of the population. White (non-Hispanic) residents account for 29.7%. The Black or African American population (1.2%) is well below the state average of 11.9%. The Hispanic or Latino population is significantly higher than the state average (65.6% vs 39.7%). The Asian population (0.9%) is well below the state average of 5.5%.
Education
18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower 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 74.2%.
Data Sources & Methodology
All figures for Castro County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Texas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Castro County, Texas?
Castro County has a population of 7,344, making it the 182nd most populous county in Texas.
What is the median income in Castro County?
The median household income in Castro County is $56,776 with a poverty rate of 19.2%.
How many cities are in Castro County, Texas?
Castro County contains 3 Census-designated places.