Please note: This information was last updated many years ago and is here to preserve a historical record. The contents of this post may be out of date and no longer applicable to GOED's work.

No. 2 Salt Lake City and No. 4 Denver have been expanding for years, with significant tech-sector growth. Both are logging population increases, with Denver benefiting from strong domestic in-migration while Salt Lake City has the highest birth rate among major metro areas, 16.9 per 1,000 women from 2010-14, largely due to its fecund Mormon population.