Mapping fast-growing companies by U.S. County

A Look Back at Locations of Inc. 500 Companies

Los Angeles and New York, the two biggest metropolitan areas in the United States, are home to a large number of fast-growing companies. But what about elsewhere? This map displays the location of the fastest-growing privately held companies appearing on the annual Inc. 500 list from 1982 - 2010. This data is presented by county, highlighting counties with the most companies per capita, as well as the most companies overall. Counties are colored, with the darkest color indicating the highest ratio of companies per population. Each red dot represents a company.

Want to learn more? View the the 2012 Inc. 5000 list on

Learn more about the top counties

We've highlighted counties in two categories, below: Those counties with the highest number of companies per capita and those with the highest number of companies overall.

Top five counties for 1982-2010 by: