Can I itemize on my Colorado return if I claimed the standard deduction on the federal return? Colorado instructions indicate the state taxable income is pulled from the federal return where your deductions have already been considered. Start for $0 today Get your maximum refund with all the deductions and credits you deserve Get Started Login Related articles Is my retirement income taxable to Colorado? What is my residency status for Colorado? Can I Itemize on my California return if I claimed the standard deduction on the federal return? Do I Owe Colorado Use Tax? How do I complete Form 8915-F for Qualified Disaster Retirement Plan Distributions and Repayments?