Portland DSA has three branches as of 2025. Branch members work on an array of issues and campaigns within their geographical area, and also participate in Chapter activities.
Clackamas DSA is open to anyone who lives in, works in, or has a meaningful connection to Clackamas County. More info here.
Vancouver DSA includes members from Clark County, Washington, just across the river to the north.
Washington County DSA includes members from Washington and Yamhill counties, including residents of Forest Grove, Hillsboro, Beaverton, Tigard, and Portland.