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2021 Colorado Individual Statistics of Income
State Return Data
Table 1. Income and Tax Data by Size of Federal Adjusted Gross Income
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This table summarizes income and tax data as reported on full-year resident Colorado returns by size of federal adjusted gross income (AGI).
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Intentionally left blank
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Size of Federal AGI Number
of Returns 		Federal AGI Federal
Taxable Income		 Colorado
Taxable Income ¹ 		Colorado
Gross Tax ² 		Colorado
Net Tax
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Negative Income22,641($2,537,967,458)$0 ($3,014,681,671)$101,646 $635,608
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$0 under $10K315,749$1,310,937,873 $26,788,798 ($2,108,571,349)$1,297,017 $1,359,572
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$10K under $20K274,191$4,106,306,535 $556,543,308 ($372,945,729)$23,211,955 $23,081,370
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$20K under $30K262,642$6,576,909,812 $2,520,292,040 $1,796,460,006 $103,934,701 $103,327,486
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$30K under $40K265,214$9,265,384,224 $4,998,312,107 $4,293,878,692 $205,911,432 $204,775,216
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$40K under $50K230,218$10,321,308,033 $6,468,191,251 $5,690,322,605 $263,897,514 $262,171,569
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$50K under $60K190,418$10,441,888,654 $7,079,631,581 $6,252,385,455 $286,509,509 $284,205,385
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$60K under $75K228,090$15,322,236,763 $10,943,811,035 $9,640,678,638 $438,492,420 $434,419,698
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$75K under $100K276,116$23,934,199,400 $17,926,595,266 $15,922,686,035 $719,092,544 $710,917,174
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$100K under $200K481,375$66,620,553,356 $53,982,680,313 $49,747,821,818 $2,241,968,913 $2,208,276,030
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$200K under $500K201,052$58,317,622,999 $51,254,471,685 $49,386,478,521 $2,223,093,649 $2,158,822,762
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$500K under $1M34,346$23,131,070,487 $21,141,190,528 $20,829,328,107 $937,558,873 $883,604,937
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$1M and over17,613$65,935,992,635 $59,620,341,355 $61,391,061,918 $2,762,878,445 $2,464,403,663
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Total2,799,665$292,746,443,313 $236,518,849,267 $219,454,903,046 $10,207,948,618 $9,740,000,470
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Intentionally left blank
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Source: Colorado individual income tax returns (full-year residents only)
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¹ Colorado Taxable Income (CTI) can be positive, zero, or negative. CTI is negative when losses and/or subtractions exceed income and additions.
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² Colorado Gross Tax is calculated by multiplying positive CTI by the income tax rate. To find the positive CTI subject to tax, divide the Colorado Gross Tax by the income tax rate.
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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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