Below is a short list of places to find data and reports on issues surrounding wealth and poverty in the US. If you can't find the data you are looking for from these sources please contact me for more sources on your group's topic area.
The BBER prepares reports on the local and state economy such as local cost of living reports, economic outlook, and the impact of industries on the local economy. It is also a good place to find local demographic data like poverty and housing stats.
A source for population, housing, economic, and geographic data from the U.S. Census Bureau. It includes quick tables and demographic profiles, geographic comparison tables, detailed tables, custom tables, data sets, reference maps, and thematic maps.
A statistics portal that integrates data on over 60,000 topics from over 18,000 sources onto a single professional platform - categorized into 21 market sectors, providing direct access to quantitative data on media, business, finance, politics, and a wide variety of other areas of interest or markets..