What state(s) drink the most beer? The top five states for beer consumption per capita are North Dakota, New Hampshire, Montana, South Dakota and Wisconsin, according to the Beer Institute, a trade organization. North Dakota drank about 45.8 barrels of beer per resident 21 and older last year, the institute said. (A barrel of beer is equivalent to about 31 gallons.) California didn’t even make the the top 5? C’mon California you can do better than that! Face Book here.