Mar 26, 2026 | 2:42 pm
Collin County is experiencing a big population surge. The county north of Dallas — home to Princeton, the country’s fastest-growing city — ranked second among U.S. counties for adding the most residents from 2024 to 2025, new U.S. Census Bureau estimates show.
Meanwhile, Dallas County saw one of the country’s biggest drops in population on a percentage basis.
From July 1, 2024, to July 1, 2025, Collin County gained 42,966 residents, lifting its population by 3.4 percent to nearly 1.3 million, according to the Census Bureau report, released Thursday, March 26…