Topography

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Portland is located at the northern end of the state of Oregon which is known as the region most densely populated. Portland lies within Multnomah County, located also small parts of which are in Clackamas .Were approved by the United States Census Bureau, the Portland area is 145.4 square miles. The surface area of land the city is 11.1 square miles, and area Alalme is 7.6% .