Castroville CDP, California Demographics & Population 2026

Population Overview

Castroville CDP is a small city located in California. The total population is 6,870. It ranks as the 584th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Castroville CDP is 29.6 years. This is 21% lower than the state median of 37.6 years. With 37.0% of the population under 18, Castroville CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Castroville CDP is $90,486. This is 6% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 15% higher. The poverty rate stands at 14.6%. This is 22% higher than the state poverty rate of 12.0%. The unemployment rate is 2.8%. This is 56% lower than the state rate of 6.4%. The median home value is $648,700. Housing costs are 7% lower than the state median of $695,400. The home-value-to-income ratio of 7.2x suggests that housing affordability is a significant concern for many residents. 42.9% of occupied housing units are owner-occupied. This homeownership rate is 23% lower than the state average of 55.8%.

Race & Ethnicity

Castroville CDP has a predominantly Hispanic or Latino population, comprising 89.9% of all residents. White (non-Hispanic) residents account for 3.6%. The White (non-Hispanic) population (3.6%) is well below the state average of 34.6%. The Black or African American population (0.9%) is well below the state average of 5.3%. The Hispanic or Latino population is significantly higher than the state average (89.9% vs 39.8%). The Asian population (1.9%) is well below the state average of 15.0%.

Education

5.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 84% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 48.7%.

Data Sources & Methodology

All demographic data for Castroville CDP, California 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 California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.