Becoming one of the most popular destinations for strong growth during the pandemic, Boise City, Idaho, about 335 miles from Reno, Nev., is now seeing residents leave, rents being cut and vacancies rise. The Western city tied with Southern Crestview-Fort Walton Beach-Destin, Fla., as having two of the nation's weakest performances among 150 markets tracked by RealPage. 

With roughly 811,000 residents, the city, which is its county seat and state's capitol, has about 31,500 existing apartment units and has usually operated at a healthier pace than the national average. During COVID-19, it experienced significant growth. 

In fact, over the last decade, its existing inventory has more than doubled and added about 11,500 units, growing an average of 5.7% annually. In the second quarter of this year, the market added 1,6500 units, growing its existing stock 5.2% while the U.S. market grew only 2% and the West as a region grew even less or 1.6%. The only other West region to top Boise City's recent inventory pace was Provo-Orem, Utah, which saw numbers climb 7.1%.