A creamery processes milk into various milk based products, so creamery butter is butter produced in a creamery.

The motto of Blue Valley Creamery Company is 'Blue Valley Butter is Good Butter'.

Wisconsin and California were the leading butter producers, accounting for 654 million pounds. According to the U.S. Census Bureau, in 1997 there were 34 establishments whose primary purpose was the manufacture of creamery butter

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Because a creamery uses cream which is the fat removed from milk by a centrifuge instead of just milk at a dairy. The result is a sweeter butter, but it takes more milk to make cream so its more expensive.