Wildwood is an unincorporated community in Koochiching County, Minnesota, United States; located within the Pine Island State Forest. The community is located between Northome and Effie; near the junction of State Highway 1 and County Road 27. The boundary line between Koochiching and Itasca counties is nearby. Wildwood is located withi…Wildwood is an unincorporated community in Koochiching County, Minnesota, United States; located within the Pine Island State Forest. The community is located between Northome and Effie; near the junction of State Highway 1 and County Road 27. The boundary line between Koochiching and Itasca counties is nearby. Wildwood is located within ZIP code 56661 based in Northome.