Fifty or 1.6% of the United States’ 3,144 counties had at least one million people on July 1, 2024, more than double the number (23) in 1970. According to the U.S. Census Bureau’s county-level population estimates, which date back to…
Fifty or 1.6% of the United States’ 3,144 counties had at least one million people on July 1, 2024, more than double the number (23) in 1970. According to the U.S. Census Bureau’s county-level population estimates, which date back to…