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Columbia County, AR, is experiencing a decline in population, with a 13-year compound annual growth rate (CAGR) of -0.72% and a one-year growth rate of -1%. This trend contrasts sharply with the overall state growth rate of 0.41%. The county has a median age of 35.1, which is younger than the state median of 38.4, indicating a relatively youthful demographic. However, the sex ratio of 93.8 suggests a slight imbalance in gender distribution. With 21% of the population under 18 and 17.2% above 65, Columbia County's age dependency ratio of 61.8 is higher than many neighboring counties, reflecting potential challenges in supporting its aging population.