在英语中，餐馆的人口通常被称为"patronage"。这个词来自拉丁语"patronus"，意思是"保护者"或"赞助人"。它可以用来描述餐馆的顾客数量或顾客的支持。

例句：

The restaurant has seen a significant increase in patronage since it was featured in a local food guide. 餐馆在当地美食指南中刊登后，人流量显著增加。
Many restaurants rely on repeat patronage to stay in business. 许多餐馆依靠回头客来维持生意。
The restaurant's success is largely due to its loyal patronage. 这家餐馆的成功很大程度上归功于它忠诚的顾客。