A craft beer is a beer made without machinery involved. The reason beer is created this way is to emphasize the brand, flavor, and quality of the beer. The chart above displays the amount of craft breweries in the United States in 2015. In total there are 4,421 of breweries in the U.S.
As you can see the state with the most craft breweries would be California, with a total of 518 breweries. However, the state with the least amount of breweries would be Mississippi with only 8 breweries in total. A lot of factors could contribute to these numbers however, most the most believable factor would be the weather.
In the end Craft Breweries are important because they provide a strong quality beer to their customers.