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Shelby County, AL, exhibits a population growth rate of 1.4% over the past year, slightly above the state average of 0.6%. With a median age of 40.0 years, it aligns closely with Alabama's median age of 39.3. The county's age dependency ratio of 63.9 indicates a balanced demographic, with 22.8% of the population under 18 and 16.2% above 65. Compared to neighboring counties like Jefferson and Mobile, which have lower growth rates and higher median ages, Shelby County demonstrates a more favorable demographic trend, positioning it as a growing and relatively youthful area within Alabama.