Not one of the “towns” in Texas are not already boom towns. These are megacities.
As I’ve stated to others....tell it to Forbes...having said that they didn’t just pull this out of a hat...if you’ll read the article you’ll understand why they are calling them boom towns...stats did it...
The DFW Metroplex consists of 25 (probably more) small cities and towns, and that's where the growth is. 'Burbs such as Irving, Southlake, Mansfield, Euless, Plano, Allen, et al are integral parts of the Metroplex.
Dallas is very liberal, while the 'Burbs are very conservative.
Dallas simply benefits by the vitality of the communities that surround it.