Common ways to divide the US into regions

US research results are often needed to be grouped by region. But which way to divide the US? Even departments within the US government divide the country in different ways. As you decide the best way to divide our vast country to meet your research needs, note that the number of regions will have a direct impact on the sample size you’ll require for statistically significant results. Below are four standard ways of identifying regions of the United States.

Click on any of the maps to see a listing of the component states with their two-letter abbreviations listed by region.

States and Regions - 3 Regions
States and Regions - 4 Regions
States and Regions - 5 Regions
States and Regions - 6 Regions

Uncover market opportunities and become a thought leader.