- Columbia County, Oregon has 658.7 square miles of land area and is the 34th largest county in Oregon by total area. Columbia County, Oregon is bordered by Cowlitz County, Washington, Washington County, Oregon, Multnomah County, Oregon, Clark County, Washington, Tillamook County, Oregon, Clatsop County, Oregon, and Wahkiakum County, Washington.
- Columbia County, Washington (data.census.gov)
Columbia County, Washington has 868.6 square miles of land area and is the 31st largest county in Washington by total area. Columbia County, Washington is bordered by Walla Walla County, Washington, Franklin County, Washington, Garfield County, Washington, Wallowa County, Oregon, Umatilla County, Oregon, and Whitman County, Washington.
- Lake City, Seattle (Wikipedia)
Lake City is the northeast region of Seattle, centered along Lake City Way NE (SR-522), 7–8 miles (11–13 km) northeast of Downtown Seattle. A broader definition of the Lake City area includes all the land between 15th Avenue NE and Lake Washington, and between NE 95th and 98th streets to the Seattle city limits at NE 145th Street. Lake City encompasses much of the Thornton Creek watershed, the focus of a long restoration campaign by citizens and Seattle Public Utilities staff to enhance the residential environment of Lake City.