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Dimmitt, the county seat, anchors Castro County in the High Plains of West Texas. Established in 1876, it became a major grain and dairy region with strong Hispanic cultural influence. The county is flat, agricultural, and predominantly rural, with Amarillo roughly 70 miles northeast and Lubbock about 90 miles southeast. Housing consists mainly of older brick ranchers, manufactured homes, and farmhouses. Few subdivisions exist; most residents live on acreage or in modest town centers. Prices remain affordable: existing homes typically fall in the $100,000–$190,000 range, while farmland for building averages $2,500–$5,000 per acre.