clientele; customer base; customer demographics
Refers to the composition or profile of customers, often in business or marketing contexts. Can describe the type of people who frequent a shop, service, or event.
This shop's customer base is mostly young women.
We want to broaden our customer demographics with the new menu.
audience demographic; type of audience
Compound of 客 (customer) and 層 (stratum, layer), literally 'customer layer'. The term is a modern business and marketing expression.