The paper presents issues related to milk production in the Member States of the European Union. The conducted analysis and research cover the period from 2015 to 2019. The study evaluates milk production and milk prices and uses the linear Pearson’s correlation in order to find out whether there is a correlation between milk prices in the individual European Union Member States. The research demonstrated that the market value of milk produced in Poland increases every year and that there is a strong and very strong correlation between individual milk prices in the Member States amounting to 85% of all surveyed entities.