clientele
 oxford
 views  updated May 23 2018cli·en·tele  / ˌklīənˈtel; ˌklē-/ •
n. [treated as  sing.  or  pl.] clients collectively: an upscale clientele. ∎  the customers of a shop, bar, or place of entertainment: the dancers don't mix with the clientele.
 The Oxford Pocket Dictionary of Current English