A 20,000 ACRE SPREAD DOWN THE ROAD. 20 acres of the average size tract of land sales in Texas with Houston/Gulf Coast areas have average price per acre of $9,195 and lowest is Panhandle at $1,674 per acre. 4,189 are number of small land sales in Texas in 2013. Statewide average price per acre of small land sales in 2013 is $4,840 per acre. 33% of small land sales in 2013 occurred in the Central Texas/Hill Country. The definition of a small land sales varies by region and may be as large as 8,000 acres on far West Texas to as small as 32 acres in Houston/Gulf Coast area. Obviously fewer buyers can afford large tracts, SO BUY WHAT THEY CAN AFFORD.