Harney County is the largest county in Oregon and the ninth largest in the United States. It covers about 10,000 square miles (26,000 km ) but has a total population of only about 7,600. Most of that population lives in Burns or Hines, about 2 miles (3 km) southwest of Burns. Burns had about 2,800 residents in 2010 and Hines about 1,600, for a total of 4,400, nearly 60 percent of the cou…