I'm not sure how they determined this...but at least it's not Tri-Cities!!
according to "Travel and leisure"
#3. Spokane, Washington
This under-the-radar Northwest city sits in a wide valley on the banks of the Spokane River. Wineries and a growing distillery scene have given downtown the moniker “Cork District,” and earned the town high points for its bar scene in this year’s survey...
Travel And Leisure Magazine annually asks readers and travelers to rank the cities they believe to be the most and least attractive, and that includes the population.