Line the states up by age and a 12-year gap opens between the two ends. What makes a whole state older or younger?
Median age is the middle of the line: half the people are older, half younger. Maine's median tops 44; Utah's is around 32 โ check the quiz for the exact numbers.
Basis: U.S. Census Bureau ACS (this site's quiz data).
A state's age moves with a few big levers: babies born, people passing away, everyone aging year by year, and people moving in or out โ ingredients the Census Bureau counts separately.
Basis: Components of population change โ Census Bureau methodology.
Why Utah so young? Larger families and lots of children is the common explanation. Why Maine so old? Fewer births, young people leaving for jobs, and retirees who love the coast staying put โ all frequently cited, hard to weigh exactly.
And the famous retirement state? Florida sits outside the top 3 โ check the quiz list yourself!
Basis: ACS median age ranking (this site's quiz data).
Why isn't Florida #1? A common explanation: it attracts retirees AND young families and workers at the same time, which balances its age out. Plausible, but the exact mix is hard to prove.
โป A hypothesis is an idea that isn't proven yet.
๐ Sources for the rankings mentioned in this note (links to the original data and retrieval dates) are on each quiz page below.