41.5% of the population for whom poverty status is determined in Eagle Butte School District 20-1, SD (1.71k out of 4.12k 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 Males 35 - 44, followed by Females 25 - 34 and then Males 6 - 11.

The most common racial or ethnic group living below the poverty line in Eagle Butte School District 20-1, SD is Native American, followed by Two Or More and White.

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.