Collin County’s population was projected to surge past 2.4 million residents by 2060 as steady gains in every major group reshape one of Texas’ fastest-growing counties, according to new projections from the Texas Demographic Center.
At the same time, the ethnic projections showed how the county would become more diverse at every interval, with Hispanics emerging as the largest single group by mid-century.
The county was expected to add about 1.35 million residents between 2020 and 2060, a gain of about 125%.
The latest report placed the county’s 2025 total population at nearly 1.3 million, a five-year increase of 210,000 people, or roughly 20%.
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