Oregon's largest city and the most populous county, Multnomah County, is home to Portland, a port city located in the Pacific Northwest. With a population of 652,503 as of 2020, Portland is ranked as the 26th largest city in the United States, the sixth largest on the West Coast, and the second largest in the Pacific Northwest, after Seattle. The Portland metropolitan statistical area has a population of roughly 2.5 million, making it the 25th most populated in the US. Almost half of Oregon's population resides in the Portland metro area.
Portland's climate is a warm-summer Mediterranean climate that is nearly a hot-summer Mediterranean climate, with mild and rainy winters and warm and dry summers. Portland's location in the direct path of the stormy westerly flow results in overcast, wet, and fluctuating weather conditions during fall, winter, and spring. During the middle of summer when the North Pacific High is at its northernmost point, the city experiences warm and dry summers.
