The phrase "entire congregation" refers to all the people belonging to a religious group who gather together for worship or other activities. It includes every member of the religious community, from children to adults. Full definition
However, most of these efforts lacked wholehearted involvement by entire congregations. (religion-online.org)
This article is about an entire congregations church being burned down to the ground by racism and then being rebuilt with faith. (religion.blogs.cnn.com)
That's why I said it, your original statement seems to include your entire congregation, but that may or may not be the case. (nakedpastor.com)