| Metro | State/Region | Country | Members |
| New York City | New York | United States | 6578 |
| San Francisco | California | United States | 6509 |
| San Francisco Bay Area | California | United States | 6204 |
| Berkeley | California | United States | 3359 |
| San Jose | California | United States | 3211 |
| Los Angeles | California | United States | 3170 |
| Brooklyn | New York | United States | 2931 |
| Boston | Massachusetts | United States | 2322 |
| Washington, D.C. | District of Columbia | United States | 2296 |
| London | London | United Kingdom | 2279 |
| New York University | New York | United States | 1649 |
| Seattle | Washington | United States | 1574 |
| Queens | New York | United States | 1566 |
| Cambridge | Massachusetts | United States | 1455 |
| Toronto | Ontario | Canada | 1413 |
| Northern Virginia | District of Columbia | United States | 1367 |
| Hollywood | California | United States | 1352 |
| Chicago | Illinois | United States | 1349 |
| Orange County | California | United States | 1313 |
| Santa Monica | California | United States | 1242 |