• Population estimates
• Population projections
• Consumer income
• Educational attainment
• Family demographics
• Community profiles
• Bureau of Labor Statistics Consumer Spending Data
• Federal Reserve Board Consumer finances

There are a great many sources of demographic information besides federal agencies. Here is a selection of three that also provide software and other services.

• Claritas
• MetLife Mature Market Institute
• Population Reference Bureau

Here are the top three publishers of demographic & marketing related articles and books:

• Advertising Age Magazine
• New Strategist Publications
• Paramount Market Publishing