Data from a study by the Federal Milk Marketing Order (FMMO) system found that nearly 25% of all milk produced in America is in 13 counties. This is according to reported federal order data from December of 2021. The only county east of the Mississippi belongs to Pennsylvania, where Lancaster County made the cut.

Check out this breakdown of where these 13 counties reside:

>> California: 7
>> Pennsylvania: 1
>> Arizona: 2
>> Colorado: 1
>> Texas: 1
>> Washington: 1

Not to be left out, America’s Dairyland in Wisconsin leads the way with 14 out of 54 counties that help make up 50% of the nation’s supply. For those wondering where Idaho, considered to be a top 5 dairy state, sits; they are currently not registered with the Federal order.

Read more on the top producing dairy counties in the U.S.