These Arizona counties, on average, have the oldest and youngest residents. Here's where
The median age of Arizonans has only been increasing over the past decade. Here's which counties are the oldest and youngest in the state.
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Animated map shows the 143 counties where half of the US lives
According to 2015 census estimates, half of the US population lives in these 143 counties (ranked by population): Los Angeles County, California Cook County, Illinois Harris County, Texas Maricopa ...
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Arizona's Pinal and Yavapai counties saw a population boom
Arizona's population has skyrocketed over the past decade — but some of the highest rates of growth have occurred outside of our major metropolitans, per an Axios analysis of the latest U.S ...
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These Arizona counties, on average, have the oldest and youngest residents. Here's where
The large retired population has affected how ... Play the USA TODAY Daily Crossword Puzzle. Has Arizona's median age kept increasing? And which county is the oldest? Here's what to know.