22.8% of the population for whom poverty status is determined in Cass Lake, MN (140 out of 614 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 55 - 64, followed by Males 6 - 11 and then Males < 5.

The most common racial or ethnic group living below the poverty line in Cass Lake, MN is Native American, followed by Two Or More and Hispanic.

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.