Andy Murray told ITV News it has "been the best summer in my life" and he hopes that winning gold at the Olympics and now the US Open title will give him a "good push and motivation to go on and work hard and try win some more big titles".
Andy Murray's grandparents, Shirley and Roy Erskine, said they were "very relieved" but also "thrilled and delighted" after the British number one secured his first Grand Slam win.
Andy Murray's home town of Dunblane was very emotional after he triumphed in the US Open:
@andy_murray Massive congratulations. What a champion.
Congratulations @andy_murray on your well deserved, brilliant win at US Open. I cheer your victory & everyone back home is so happy for you!
Fans in Andy Murray's home town of Dunblane exploded in rapturous applause as the British number claimed his first Grand Slam title.
At the Dunblane Hotel, near Stirling, posters of the 25-year-old were hung on the walls and champagne was on ice ready for his victory.
A crowd of around 80 fans packed into the bar to watch the nail-biting five-hour game into the small hours of this morning, before erupting into a mass celebration and chanting "There's only one Andy Murray".
PM: "Delighted Andy Murray is continuing a golden summer of sport by winning the US Open. A truly great victory" #Murray
Fresh fruit platter, choc chip ice cream and margarita. Celebration station. http://t.co/179Xgx9I
Chocolate mousse, black cherries and blackcurrant sorbet. Second dessert of the evening. Yep, I'm celebrating. http://t.co/XwcRCpt1
Novak Djokovic has spoken of his disappointment on losing the US open final, but said that Andy Murray deserved his win.
"Any loss is a bad loss. I had a great opponent today and he deserved to win this grand slam more than anyone."
Andy Murray on his emotions on winning his first grand slam. He said that his whole team were really happy, but said they may have been learning from his famously taciturn coach:
"Everyone's really happy, I think we're learning from Lendl a little bit. He doesn't smile a whole lot."