Jennings Lodge is a census-designated place and unincorporated community in Clackamas County, Oregon, United States, between Milwaukie, and Gladstone. For statistical purposes, the United States Census Bureau has defined Jennings Lodge as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name. As of the United States Census, 2010, it had a total population of 7,315.Even though Jennings Lodge is not part of Oregon City; the local elementary school (along with nearby Candy Lane Elementary) forms an exclave of the Oregon City School District. This state of affairs has been controversial over the years.HistoryAccording to Oregon Geographic Names, Jennings Lodge was platted as a townsite in 1905 and named after Berryman Jennings, an Oregon pioneer, one of whose children still owned Jennings' house in 1927.GeographyJennings Lodge is located along the Willamette River.