15 Fastest Declining Large Cities in the US

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6. Portland City, Oregon

Population Change Percentage: -0.66%

Portland is Oregon’s most populous city and has a population of 630,498. This also makes it the 27th most populous city in America. Additionally, Portland is also the third fastest declining city in the US in terms of population change between 2020 and 2023. Its population sat at 653,344 in 2020, with the 2023 figures marking a 3.5% drop since then.

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