21.1% of the population for whom poverty status is determined in Castle Rock Union Elementary School District, CA (49 out of 232 people) live below the poverty line, a number that is higher than the national average of 12.5%. The largest demographic living in poverty are Females 75+, followed by Males 75+ and then Females 55 - 64.

The most common racial or ethnic group living below the poverty line in Castle Rock Union Elementary School District, CA is White, followed by Other and Black.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.