Counties USA

Containing addresses, telephone numbers, fax numbers, and Web site addresses for all U.S. counties and county-equivalent entities, as well as descriptive information, population-related statistics, and other statistical data related to income and employment. Arranged alphabetically by state, with maps provided for each state. Also includes counties index and other features. New information for the 4th edition includes: population per square mile; estimated population in 2010; percentage of population increase or decrease from 2005-2010; personal per capita income; change in unemployment from 2007 through 2010; percentage of the county's residents who work outside the county; cities within each county that have a population of 10,000 or higher.