5.41% of the population for whom poverty status is determined in Johnson County, KS (33.3k out of 615k 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 Females 18 - 24, followed by Females 25 - 34 and then Males 18 - 24.

The most common racial or ethnic group living below the poverty line in Johnson County, KS is White, followed by Hispanic 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.