Figure 1: Percentage of U.S. Population Covered in the 2020 NIS by Census Division and Region, Calculated using the Estimated U.S. Population on July 1, 2020
| Census Division | Population of NIS (millions) | U.S. Population (millions) |
|---|---|---|
| New England | 15,101,332 (100.0%) | 15,101,332 |
| Middle Atlantic | 42,424,301 (100.0%) | 42,424,301 |
| East North Central | 47,321,463 (100.0%) | 47,321,463 |
| West North Central | 21,613,711 (100.0%) | 21,613,711 |
| South Atlantic | 66,160,138 (100.0%) | 66,160,138 |
| East South Central | 14,380,947 (74.1%) | 19,405,750 |
| West South Central | 40,843,119 (100.0%) | 40,843,119 |
| Mountain | 23,139,075 (92.6%) | 24,986,847 |
| Pacific | 53,644,419 (100.0%) | 53,644,419 |
| Census Region | Population of NIS (millions) | U.S. Population (millions) |
| Northeast | 57,525,633 (100.0%) | 57,525,633 |
| Midwest | 68,935,174 (100.0%) | 68,935,174 |
| South | 121,384,204 (96.0%) | 126,409,007 |
| West | 76,783,494 (97.7%) | 78,631,266 |
| United States | 324,628,505 (97.9%) | 331,501,080 |