The Port of Ridgefield is a public port district in Washington State. Founded in 1940, the port district covers 57 square miles of northern Clark County. The population consists of approximately 14,000 citizens of Ridgefield, La Center, and the unincorporated county. The mission of the port is "to responsibly deliver property and facilities that encourage private investments, job creation, local economic diversity and stability; to preserve and better the quality of life for citizens of the greater Ridgefield area."