The 1964 U.S. Open was the 64th U.S. Open, held June 18–20 at the Blue Course of Congressional Country Club in Bethesda, Maryland, a suburb northwest of Washington, D.C. Ken Venturi won his only major title, four strokes ahead of runner-up Tommy Jacobs. U.S. Open 1964: June 18–20, 1964 at Congressional Country Club Blue Course. Champion: Ken Venturi, at 278 (−2). Wiki link