Houston has a young population

Who knew that Houston was ranked #2 major city with the youngest population, behind Salt Lake City, Utah. Supposedly 50.2% of Houston’s population is under 35. Texas is the #2 state with the youngest population. Why do you think so?

https://porch.com/advice/youngest-cities-in-the-us

https://www.newsweek.com/usa-youngest-oldest-states-utah-maine-study-map-1907991