| Area of Residence | Measure of Size | Region* | PSU Stratum Size | Sampled |
|---|---|---|---|---|
| NEW YORK | 63412 | NE | Large (certainty) | Yes |
| FLORIDA | 41015 | S | Large (certainty) | Yes |
| TEXAS | 27358 | S | Large (certainty) | Yes |
| CALIFORNIA | 52716 | W | Large (certainty) | Yes |
| NEW JERSEY | 15485 | NE | Large (certainty) | Yes |
| PENNSYLVANIA | 15362 | NE | Large (certainty) | Yes |
| ILLINOIS | 13718 | MW | Large (certainty) | Yes |
| GEORGIA | 12683 | S | Large (certainty) | Yes |
| CONNECTICUT | 6579 | NE | Medium | No |
| MASSACHUSETTS | 8025 | NE | Medium | Yes |
| OHIO | 5978 | MW | Medium | No |
| MICHIGAN | 5395 | MW | Medium | Yes |
| MISSOURI | 4838 | MW | Medium | No |
| INDIANA | 3429 | MW | Medium | Yes |
| MINNESOTA | 1818 | MW | Medium | No |
| WISCONSIN | 1797 | MW | Medium | No |
| ARKANSAS | 1837 | S | Medium | No |
| OKLAHOMA | 1908 | S | Medium | No |
| KENTUCKY | 2150 | S | Medium | No |
| MISSISSIPPI | 2602 | S | Medium | Yes |
| ALABAMA | 3660 | S | Medium | No |
| TENNESSEE | 5639 | S | Medium | No |
| SOUTH CAROLINA | 5863 | S | Medium | Yes |
| LOUISIANA | 6902 | S | Medium | No |
| NORTH CAROLINA | 7128 | S | Medium | Yes |
| VIRGINIA | 7443 | S | Medium | Yes |
| DISTRICT OF COLUMBIA | 8234 | S | Medium | No |
| PUERTO RICO | 10560 | S | Medium | Yes |
| MARYLAND | 11798 | S | Medium | Yes |
| WASHINGTON | 4889 | W | Medium | Yes |
| ARIZONA | 4316 | W | Medium | No |
| COLORADO | 3465 | W | Medium | No |
| NEVADA | 2502 | W | Medium | No |
| OREGON | 2448 | W | Medium | Yes |
| NORTH DAKOTA | 47 | MW | Small | No |
| WYOMING | 91 | W | Small | No |
| SOUTH DAKOTA | 99 | MW | Small | No |
| MONTANA | 181 | W | Small | No |
| VERMONT | 236 | NE | Small | No |
| ALASKA | 252 | W | Small | No |
| IDAHO | 262 | W | Small | No |
| MAINE | 492 | NE | Small | No |
| NEW HAMPSHIRE | 506 | NE | Small | No |
| NEBRASKA | 567 | MW | Small | No |
| WEST VIRGINIA | 599 | S | Small | No |
| IOWA | 686 | MW | Small | No |
| RHODE ISLAND | 1058 | NE | Small | No |
| NEW MEXICO | 1066 | W | Small | No |
| UTAH | 1085 | W | Small | No |
| KANSAS | 1113 | MW | Small | No |
| HAWAII | 1247 | W | Small | No |
| DELAWARE | 1531 | S | Small | Yes |