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Pima County, AZ, exhibits a modest population growth rate of 0.7% over the past year, significantly lower than the state average of 1.3%. With a median age of 39.0 years, it is slightly older than the state median of 38.4 years. The county has a higher old-age dependency ratio (34.3%) compared to the state (30.3%), indicating a larger proportion of elderly residents. Additionally, Pima County's sex ratio of 98.1 is lower than the state average of 100.1, suggesting a demographic imbalance. Overall, Pima County's growth and demographic trends reflect a more aging population relative to other counties in Arizona, such as Maricopa and Pinal, which are experiencing faster growth.