According to the U.S. Bureau of Labor Statistics, prices for milk were 23.24% lower in 2000 versus 2017.
Milk experienced an average inflation rate of 1.57% per year between 2000 and 2017. In other words, milk costing $5 in the year 2000 would cost $6.51 in 2017 for an equivalent purchase.
Pricing changed by 0.15% in 2000, below the yearly average change for milk during the 2000-2017 time period. Compared to overall inflation for all items in 2000 (3.27%), price inflation for milk was much lower.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Milk: