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 ...

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 ...