Texas is the state that keeps on growing. new study shows the Lone Star State is home to many of the cities seeing the fastest population growth. Out of the 25 cities ranked, 11 of them are in Texas, with the city of Conroe taking the top spot.According to "24/7 Tempo," Conroe more than doubled in size since 2000, going from nearly 37,000 people to 77,000.Cheaper homes, newer homes and being closer to nature are some of the reasons people name for moving there.City officials expect Conroe to hit 100,000 residents by 2020.Watch the video above to see which Texas cities are named in the survey.