 Although most lived in rural areas, more than 1,000 resided in both Galveston and Houston by 1860, with several hundred in other large towns.By 1865, there were an estimated 250,000 enslaved people in Texas.Despite the surrender of General Robert E. Lee at the Old Appomattox Court House on April 9, 1865, the western Army of the Trans-Mississippi did not surrender until June 2.