| Metro | State/Region | Country | Members |
| New York City | New York | United States | 6570 |
| San Francisco | California | United States | 6503 |
| San Francisco Bay Area | California | United States | 6199 |
| Berkeley | California | United States | 3357 |
| San Jose | California | United States | 3211 |
| Los Angeles | California | United States | 3167 |
| Brooklyn | New York | United States | 2926 |
| Boston | Massachusetts | United States | 2321 |
| Washington, D.C. | District of Columbia | United States | 2294 |
| London | London | United Kingdom | 2277 |
| New York University | New York | United States | 1645 |
| Seattle | Washington | United States | 1571 |
| Queens | New York | United States | 1562 |
| Cambridge | Massachusetts | United States | 1454 |
| Toronto | Ontario | Canada | 1408 |
| Northern Virginia | District of Columbia | United States | 1366 |
| Hollywood | California | United States | 1349 |
| Chicago | Illinois | United States | 1347 |
| Orange County | California | United States | 1312 |
| Santa Monica | California | United States | 1240 |