The income tax rates in Kentucky are structured using a progressive tax system. As of 2021, there are six income tax brackets ranging from 2% to 6%. Individuals earning $0 to $3,000 are taxed at a rate of 2%. The subsequent brackets are as follows: $3,001 to $4,000 at 3%, $4,001 to $5,000 at 4%, $5,001 to $8,000 at 5%, $8,001 to $75,000 at 5.8%, and $75,001 and above at 6%. These rates apply to both single and married taxpayers filing jointly. It's important to note that these rates may be subject to change in the future, so it's advisable to consult the Kentucky Department of Revenue or a tax professional for the most up-to-date information.