Income Gap Widens: A Librarian at Every Table: No. 317.

In most states, the gap between the highest-income families and poor and middle-income families grew significantly between the early 1980s and the early 2000s, according to a new study by the Center on Budget and Policy Priorities and the Economic Policy Institute. The study is one of the few to examine income inequality at the state as well as national level.

Pulling apart:A state-by-state analysis of income trends.