The Council of Economic Advisers, an agency within the Executive Office of the President, has released Mapping the Digital Divide.
Here's an excerpt:
Overall, the evidence shows that we have made progress, with the largest gains occurring for those groups that started with the least. While this suggests the beginning of convergence toward uniformly high levels of access and adoption, there is still a substantial distance to go, particularly in our poorest neighborhoods and most rural communities, to ensure that all Americans can take advantage of the opportunities created by recent advances in computing and communications technology.