Smith County is in Piney Woods North Texas. Of the 254 counties in the Lone Star State, Smith County ranks 99th in terms of size (949 square miles). Recent listings of residential land for sale in Texas's Smith County totals roughly 4,000 acres and a combined market value of almost $321 million. The most common type of land for sale by combined acreage in Smith County is residential property. The average price of residential acreage for sale in Smith County was $656,109. 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.