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Collin County, part of the Dallas–Fort Worth Metroplex, is one of the fastest-growing counties in Texas. Its county seat is McKinney, but larger suburbs like Plano, Frisco, and Allen dominate the growth story. Founded in 1846 and named for Collin McKinney (a signer of the Texas Declaration of Independence), the county shifted from cotton and prairie ranching to becoming a hub of corporate headquarters, master-planned communities, and high-end shopping. Collin County today is overwhelmingly urban-suburban, with very little rural land remaining near its booming cities. Housing options are diverse: historic downtown homes in McKinney, sleek new subdivisions in Frisco, luxury golf course estates, and mid-century ranch houses in older Plano neighborhoods. Proximity to Dallas (just 20–30 minutes south) makes it a prime commuter area, though many residents now work locally in tech, finance, or retail headquarters. Prices are higher than the Texas average—most existing homes range $400,000–$650,000, with luxury properties well over $1M. Smaller rural tracts remain in northern Collin County, where land sells for $50,000+ per acre depending on development potential.