The number of U.S. farms with milk cows fell from more than 333,000 in 1978 to 54,599 in 2017, according to USDA Economic Research Service (ERS). That is a decline of about 84%, not 95%. A separate count of farms with at least 10 cows also fell sharply, from nearly 200,000 to just under 38,000 over the same years. The often-repeated 95% figure cannot be verified without knowing which farms, years and data series it refers to.
How many U.S. dairy farms were there in the 1970s?
USDA ERS’s 2020 analysis of Census of Agriculture data counted more than 333,000 farms with any milk cows in 1978 and 54,599 in 2017. Using those rounded and reported figures, the count fell by roughly 84%.
The same ERS analysis gives a different comparison for farms with at least 10 cows: nearly 200,000 in 1978 and just under 38,000 in 2017. That is a decline of roughly 81%. These are separate series, not interchangeable counts: the 10-cow measure excludes smaller holdings.
Are there really 95% fewer dairy farms?
Not on the basis of those two USDA comparisons. The 95% claim needs a defined baseline, endpoint and population before it can be treated as a verified statistic. “Farms with any milk cows,” farms above a herd-size threshold, and licensed dairy herds do not count the same operations.
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The Census of Agriculture can include farms keeping cows for household consumption, including some with only one or two cows. A licensed-herd count is narrower and concerns operations licensed to sell milk. USDA ERS explains this distinction in its 2020 report, Consolidation in United States Dairy Farming. A percentage calculated from one series should not be presented as though it describes another.
Why are dairy farms disappearing?
The central change is consolidation: cows and milk production shifted from smaller operations toward larger ones. USDA ERS identifies economies of scale and lower costs as advantages that helped large farms expand. This describes a broad structural trend, not a single explanation for why any particular farm closed.
The shift is especially visible among the largest herds. USDA ERS reported 189 farms with at least 5,000 cows in 2017, compared with 47 in 2002 and 8 in 1992. These figures illustrate growth in the very largest herd class; they are not representative of the typical dairy farm. ERS discusses the trend in “Scale Economies Provide Advantages to Large Dairy Farms” (2020).
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.If farms are disappearing, why is milk still produced?
A farm count measures the number of operations, not the amount of milk they produce. As production shifts toward larger farms, each remaining operation can account for more cows and output. USDA’s historical analysis found that production generally remained stable for most livestock commodities even as farm numbers fell and output per operation increased. Its 1997 report, Change in U.S. Livestock Production, 1969–92, also reported a 70% decline in dairy operations from 1969 to 1992; that figure applies to that historical period and analysis, not to the 1970s-to-present claim.
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So fewer dairy farms do not mean milk production fell by the same percentage. The count records how production is organized across farms, while output and herd size describe different parts of the industry.
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