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Dallas County, AR, is experiencing significant demographic challenges, with a 13-year population CAGR of -2.03% and a 1-year decline of 2.6%, indicating a trend of outmigration or declining birth rates. The median age of 45.8 is notably higher than the state average of 38.4, reflecting an aging population, with 24.5% over 65 years old. The county's age dependency ratio of 81.2 is among the highest in Arkansas, suggesting a growing burden on the working-age population. In contrast, counties like Benton and Washington are seeing robust growth, highlighting regional disparities in demographic trends.