Can I itemize on my Colorado return if I claimed the standard deduction on the federal return? CO 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 What is my residency status for Colorado? Is my retirement income taxable to Colorado? Can I Itemize on my California return if I claimed the standard deduction on the federal return? How do I report Form 8915-E? How do I report my 529 plan information for Delaware?