Which mountain region experienced the largest percentage increase in high-income residents (household income >$150,000) between 2019-2022, creating a new luxury retail market in previously modest mountain towns?

During the past decade, a significant shift in retail demographics has occurred in several mountainous regions across North America. As remote work became more prevalent, certain geographic areas saw dramatic changes in consumer profiles and spending patterns. This demographic shift has forced retailers to rethink their product offerings, store layouts, and marketing strategies to cater to these new mountain community residents. How well do you understand this geographic retail phenomenon?

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Colorado's Front Range (Boulder to Fort Collins corridor)
The Teton Range area (Jackson Hole, Wyoming and vicinity)
California's Sierra Nevada (Lake Tahoe region)
The Cascade Range (Bend, Oregon to North Cascades)