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2021 Colorado Individual Statistics of Income
Federal Return Data
Table 8. Itemized Deductions by Size of Federal Adjusted Gross Income
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This table summarizes itemized deductions by size of federal adjusted gross income (AGI) as reported by full-year resident taxpayers on federal Schedule A forms.
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Intentionally left blank
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Part 1: Number of Returns
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Size of Federal AGIMedical ExpensesState, Local, and Other Taxes PaidHome Mortgage InterestMortgage Insurance PremiumsInvestment InterestCharitable ContributionsCasualty and Theft LossOther Itemized DeductionsTotal Itemized Deductions ¹
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Negative Income000000000
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$0 under $10K000000000
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$10K under $20K1,4522,0281,352324361,2400782,107
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$20K under $30K2,7514,3212,981873832,82401844,426
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$30K under $40K3,3926,5394,9261,7181044,27402526,611
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$40K under $50K3,9009,4677,7033,0861375,954NR3239,548
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$50K under $60K4,25512,25310,3294,1181677,694042112,319
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$60K under $75K6,15722,18619,3876,98725214,212NR63622,245
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$75K under $100K8,66638,16334,18211,26555625,817NR1,10738,220
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$100K under $200K15,93692,91683,0782,8862,54372,814173,25192,995
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$200K under $500K4,40070,56762,99004,76661,156153,12170,621
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$500K under $1M27117,71415,05203,09616,116NR1,29617,723
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$1M and over4811,2588,11504,18510,63401,80511,264
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Total51,228287,412250,09531,25715,925222,7354912,474288,079
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Intentionally left blank
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Part 2: Itemized Deductions
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Size of Federal AGIMedical ExpensesState, Local, and Other Taxes PaidHome Mortgage InterestMortgage Insurance PremiumsInvestment InterestCharitable ContributionsCasualty and Theft LossOther Itemized DeductionsTotal Itemized Deductions ¹
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Negative Income$0 $0 $0 $0 $0 $0 $0 $0 $0
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$0 under $10K$0 $0 $0 $0 $0 $0 $0 $0 $0
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$10K under $20K$24,296,057 $6,350,518 $15,536,214 $1,376,531 $91,467 $3,317,125 $0 $1,016,654 $52,080,369
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$20K under $30K$48,739,503 $14,986,076 $33,334,439 $3,658,657 $325,566 $9,677,585 $0 $3,438,202 $114,458,229
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$30K under $40K$59,434,249 $25,791,384 $54,378,923 $7,000,534 $331,705 $17,187,065 $0 $4,476,077 $168,825,619
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$40K under $50K$65,168,712 $40,179,706 $84,357,851 $11,493,264 $324,789 $24,792,242 NR$5,297,338 $232,055,949
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$50K under $60K$72,801,933 $57,319,209 $109,461,151 $14,317,711 $893,187 $31,856,839 $0 $6,842,407 $293,380,557
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$60K under $75K$102,621,442 $116,282,245 $202,847,075 $21,589,848 $1,403,953 $58,121,589 NR$10,954,238 $514,281,342
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$75K under $100K$152,881,439 $238,251,691 $364,589,951 $35,667,671 $2,000,666 $116,972,855 NR$19,776,460 $930,996,280
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$100K under $200K$306,284,067 $778,213,201 $1,018,602,587 $4,396,798 $11,532,074 $534,359,396 $2,719,910 $74,247,027 $2,732,272,646
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$200K under $500K$122,033,878 $687,731,462 $985,690,414 $0 $32,246,903 $741,394,272 $2,269,254 $115,714,877 $2,692,306,440
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$500K under $1M$17,515,834 $175,282,355 $274,889,050 $0 $33,800,281 $422,162,318 NR$67,402,503 $996,540,109
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$1M and over$4,302,476 $114,858,565 $158,800,752 $0 $258,296,589 $2,100,704,782 $0 $154,014,380 $2,823,353,426
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Total$976,079,590 $2,255,246,412 $3,302,488,407 $99,501,014 $341,247,180 $4,060,546,068 $5,698,471 $463,180,163 $11,550,550,966
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Intentionally left blank
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Source: Federal individual income tax returns (full-year residents only)
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NR - Not releasable due to confidentiality requirements. Total includes NR data.
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¹ The Total Itemized Deductions values represent tax returns that reported any amount for Total Itemized Deductions (2021 IRS Form 1040 Schedule A, Line 17). The total counts show the distinct number of tax returns with any number of itemized deductions. The total dollar values may not be a sum of the itemized deductions listed due to filing discrepancies.
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Prepared by: Office of Research and Analysis, Taxation Division, Colorado Department of Revenue | dor_ora@state.co.us
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Data extracted: August 24, 2023
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Publish date: October 2025
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End of worksheet
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