- Texas, 25.5 million - Texas minus El Paso and northern panhandle
- Los Angeles, 24.4 million - southern California, lower Nevada, lower Colorado river basin
- New York, 23.5 million - Metro NY City area (NY, NJ, CT) and Hudson valley
- Georgia, 22 million - Georgia, Alabama, Tennessee, Northeast Mississippi, Florida panhandle
- Erie, 20.4 million - Great Lakes industrial zone, eastern Michigan, northern Ohio, western Pennsylvania, upstate NY
- California, 18.5 million - northern California, upper Nevada, and Hawaii
- Florida 17.9 million - Florida minus panhandle
- Chicago, 17.7 million - lake Michigan industrial zone: northern Illinois, eastern Wisconsin, western Michigan, northern Indiana
- Ohio, 17.2 million - Ohio river cultural zone: southern Ohio and Indiana, southeast Illinois, Kentucky.
- Missouri, 16.6 million - Missouri, Kansas, Oklahoma, southwest Illinois - the lower Midwest
- Carolina, 16.5 million - North Carolina, South Carolina, southeast Virginia
- Chesapeake, 14.1 million - Maryland, Washington DC, northern Virginia, southern Delaware
- New England, 13 million - Maine, Massachusetts, New Hampshire, Vermont, Connecticut, northeast New York
- Oregon, 12.2 million - Washington, Oregon, western Idaho, and Alaska
- Pennsylvania. 12.1 million - metro Philadelphia, southern New Jersey, central Pennsylvania to Alleghenies
- Minnesota, 11.9 million - Minnesota, Iowa, northeast Nebraska, Dakotas, western Wisconsin, Michigan peninsula - the upper Midwest
- Louisiana, 10.5 million - Louisiana, Arkansas, Mississippi, West Tennessee - the lower Mississippi river basin
- Rockies, 10.4 million - Colorado, Montana, Wyoming, Utah, eastern Idaho
- Arizona, 9 million - Arizona, New Mexico, southwest Texas