5.41% of the population for whom poverty status is determined in Brimfield Community Unit School District 309, IL (178 out of 3.29k people) live below the poverty line, a number that is lower than the national average of 12.5%. The largest demographic living in poverty are Males 65 - 74, followed by Females 45 - 54 and then Females 25 - 34.

The most common racial or ethnic group living below the poverty line in Brimfield Community Unit School District 309, IL is White, followed by Hispanic and Other.

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.