In the same year, the median age in the U.S. reached a new record high of 39.1 years. Regionally, the Northeast has the highest median age at 40.6 years, followed by the Midwest at 39.3 years. The ...

Across all 50 states, the population increased by an average of 1.55% over one year. But some states saw a much larger boom in the number of residents, while others lagged behind. And within each ...