There was a total of nearly $37 million of farmsand rural real estate for sale in Henry County recently on Land.com. The total acreage of all Henry County farms, hunting land and other rural land and acreage for sale was around 2,000 acres. Henry County ranks 39th out of 133 counties in the state for the combined amount of land currently advertised for sale. Martinsville featured the most land for sale. Henry County is Virginia's 51st largest county (384 square miles). It's located in the Central Virginia region of Virginia.