NULL Of 254 counties in the Lone Star State, Runnels County ranks 70th in terms of size (1,057 square miles). Runnels County is in Rolling Plains Central Texas. The total value of almost 1,000 acres of horse farms recently listed for sale in Texas's Runnels County was $500,000. Browse all Runnels County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in Runnels County is house.