Wondering about the figures of the Colorado State taxes? Read on to find out about the common Colorado State taxes that you should be aware of. The income tax rate in the Colorado State taxes is a fixed 4.63 percent of the federal taxable income whatever your income level is. Like most states, the Colorado State taxes or returns are usually due on the 15th of April unless it falls on a holiday or weekend. If that is the case, the next business day is the due date.
It may sometimes fall within a week following the 15th. Sometimes, an extra day is provided for filing and completion of state returns. At the same time, Colorado State taxes may be filed online or electronically through what they call NetFile. It can also be done through touch-tone telephone with the use of their TeleFile system. These two options are available 24 hours a day throughout the income tax season. Most of the Colorado filers may use at least one of these methods.