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The geographic distribution of America's fastest-growing counties reveals the dramatic scale of demographic shifts toward the Sun Belt region. Texas emerges as the epicenter of this growth, claiming 15 of the top 50 spots, including the fastest-growing Kaufman County with a remarkable 43.98% increase. This growth isn't uniform across Texas – it's particularly concentrated around major metropolitan areas like Dallas-Fort Worth (Kaufman County, Rockwall County, and Collin County counties), Austin (Hays County), and Houston (Montgomery County). The presence of both large urban counties like Collin County (1.27 million residents) and smaller rural counties like Blanco County (14,322 residents) in the list suggests that this growth trend spans across different types of communities.
Florida and Georgia form a secondary growth hub, with Florida claiming 8 spots and Georgia 5 spots in the top 50. What's particularly noteworthy is the diversity in the size of growing counties – while some are major population centers like Polk County (878,226 residents), others are relatively small communities like Long County, Georgia (21,992 residents) experiencing rapid percentage growth. The data also reveals an interesting pattern of growth along the Southeast coastal corridor, with multiple counties from Florida, Georgia, and the North Carolina appearing in the list. This suggests a broader regional shift that extends beyond just Texas's dominance. Notably absent from the top 50 are counties from the Northeast and West Coast, with the exception of Pinal County, highlighting a continued population shift away from traditional coastal population centers toward the South and Southwest regions of the country.