He is married to Cantey (Candy) McAdam. They have five children. They live in The Village at Castle Pines, Colorado. Ergen is an avid mountain climber who has scaled Mount Kilimanjaro, Mount Aconcagua in Argentina and Mount Everest base camp in Nepal. He is a member of the Colorado Mountain Club and has climbed all of Colorado's 14,000-foot peaks. Besides mountain climbing, his interests include poker and pickup basketball.