Here is an article which will give you more insight into the truth of American poverty which has never been accurately or effectively measured: Federal Poverty Line Doesn’t Adequately Reflect Cost of Living in America.
Literature regarding poverty that you will find interesting:
Please take some time to look at this worksheet from A Framework for Understanding Poverty, especially the Mental Models section starting on page 5. It will acclimate you very quickly: 10 Actions to Educate Students Worksheet
Also, take a few moments to see the video below on how Time & Money is perceived and utilized amongst the various economic classes: