17.2% of the population for whom poverty status is determined in Chester Community Unit School District 139, IL (1.12k out of 6.51k 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 25 - 34 and then Males 35 - 44.

The most common racial or ethnic group living below the poverty line in Chester Community Unit School District 139, IL is White, followed by Black 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.