County Business Patterns
The U.S. Census Bureau offers industry data in this annual publication. Many of the economic profiles date back to 1993.
State Data Center of Iowa
The site describes itself as a "source for population, housing, business and government statistics about Iowa, including data from the U.S. Census Bureau, Iowa state agencies, and other state and federal sources."
Iowa City Area Development Group
This site summarizes business, education, housing, and other aspects of the Iowa City, Iowa region.
USA CityLink
The site provides a comprehensive listing of United States' city and state information on the Web.
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