52.3% of the population for whom poverty status is determined in Muddy, MT (339 out of 648 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 6 - 11, followed by Females 16 - 17 and then Females 45 - 54.

The most common racial or ethnic group living below the poverty line in Muddy, MT is Native American, followed by White 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.