16.1% of the population for whom poverty status is determined in Custer K-12 Schools, MT (54 out of 335 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 55 - 64, followed by Males 18 - 24 and then Males 45 - 54.

The most common racial or ethnic group living below the poverty line in Custer K-12 Schools, MT is White, followed by Native American and Two Or More.

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.