Dimmit County is in Rio Grande Plains Texas. Of the 254 counties in the state, Dimmit County is 31st in terms of its size (854,088 acres). There is 6,000 acres of residential land and property for sale in Dimmit County, Texas, based on recent Land Network data. The combined market value of land and rural real estate for sale here is almost $23 million. The average price of residential acreage for sale in Dimmit County was $6 million. Browse all residential land and rural property for sale in Texas to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.