Associations USA: Washington

Associations are everywhere. Here's a snapshot from the Evergreen State.

35,092: Total number of registered nonprofits1

1857: Year the American Institute of Architects Spokane was founded—the oldest listed regional association in Washington2

7.8: Percentage of organizations that engaged in direct or indirect political campaign activities, third-highest in the U.S.3

Who you'll find there:4


  1. Urban Institute, National Center for Charitable Statistics, IRS, Exempt Organizations Business Master File
  2. Gale Directory Library
  3. National Trade and Professional Associations of the U.S., 2011