Dimmitt ( DIM-it) is a city and county seat in Castro County, Texas, United States. The population was 4,393 at the 2010 census.Dimmitt is located on the old Ozark Trail, a road system from St. Louis, Missouri, to El Paso, Texas. The Ozark Trail is marked at the courthouse. In 1942, a meteorite was discovered in Castro County and named after the town of Dimmitt. It is one of 311 approved meteorites from Texas, United States.
Dimmitt is located slightly west of the center of Castro County at 34°32′57″N 102°18′55″W (34.549052, −102.315355). According to the United States Census Bureau, the city has a total area of 3.2 square miles (8.4 km2), of which 3.2 square miles (8.2 km2) is land and 0.1 square miles (0.3 km2), or 3.26%, is water.U.S. Route 385 passes through the city, leading north 20 miles (32 km) to Hereford, the seat of Deaf Smith County, and south 22 miles (35 km) to Springlake. Texas State Highway 86
As of the 2010 United States Census, there were 4,393 people living in the city. The racial makeup of the city was 68.8% Hispanic or Latino, 27.6% White, 2.3% Black, 0.3% Native American, 0.5% Asian, 0.1% from some other race and 0.3% from two or more races.
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