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Colorado Department of Revenue
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2020 Individual Statistics of Income
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Table 3. Income and Tax Data for Single Colorado Returns by Size of Federal AGI ¹
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This table shows aggregate income and tax data for full-year residents by AGI group for single Colorado returns. This table is a subset of the data presented in Table 1. See Table 4 for joint Colorado returns.
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I. Number of Returns and Aggregate Dollar Amounts
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Size of Federal AGI Number
of Returns 		Federal AGI Federal
Taxable Income 		Colorado
Taxable Income ² 		Federal Tax Colorado
Gross Tax ³ 		Colorado
Net Tax
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Negative Income 24,021 ($1,731,213,951)$0 ($1,569,078,645)$6,029,839 $1,781,997 $2,247,933
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$0 under $10K 278,203 $1,282,001,392 $20,632,484 ($1,551,636,084)$25,590,256 $4,163,158 $4,155,836
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$10K under $20K 248,916 $3,699,402,994 $555,577,004 $264,968,985 $101,536,652 $33,034,676 $32,832,668
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$20K under $30K 236,094 $5,907,101,770 $2,609,267,905 $2,376,535,962 $266,501,829 $118,083,134 $117,421,532
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$30K under $40K 223,489 $7,795,554,017 $4,629,781,620 $4,324,545,505 $459,009,755 $202,017,804 $201,059,302
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$40K under $50K 180,800 $8,096,800,453 $5,507,689,794 $5,136,410,031 $571,571,994 $236,266,665 $234,887,513
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$50K under $60K 136,492 $7,472,536,328 $5,478,520,988 $5,102,957,358 $611,043,963 $233,747,830 $232,146,128
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$60K under $75K 139,157 $9,310,599,180 $7,185,456,340 $6,697,185,478 $943,620,892 $306,345,139 $303,810,059
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$75K under $100K 122,183 $10,482,188,141 $8,467,579,696 $8,017,731,590 $1,288,898,487 $365,768,270 $362,077,741
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$100K under $200K 108,936 $14,321,404,494 $12,124,864,100 $11,740,557,848 $2,193,473,538 $535,616,655 $526,456,334
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$200K under $500K 23,959 $6,811,648,207 $6,074,226,918 $5,983,075,676 $1,418,317,961 $272,453,260 $261,151,143
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$500K under $1M 3,567 $2,413,762,132 $2,190,539,835 $2,177,495,923 $619,830,466 $99,124,251 $91,965,460
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$1M and over 1,948 $6,502,991,665 $5,901,763,738 $5,874,073,212 $1,743,865,779 $267,359,827 $230,538,451
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Total 1,727,765 $82,364,776,822 $60,745,900,422 $54,574,822,839 $10,249,291,411 $2,675,762,666 $2,600,750,100
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II. Number of Returns and Average Dollar Amounts per Return
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Size of Federal AGI Number
of Returns 		Federal AGI Federal
Taxable Income 		Colorado
Taxable Income ² 		Federal Tax Colorado
Gross Tax ³ 		Colorado
Net Tax
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Negative Income 24,021 ($72,071)$0 ($65,321)$251 $74 $94
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$0 under $10K 278,203 $4,608 $74 ($5,577)$92 $15 $15
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$10K under $20K 248,916 $14,862 $2,232 $1,064 $408 $133 $132
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$20K under $30K 236,094 $25,020 $11,052 $10,066 $1,129 $500 $497
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$30K under $40K 223,489 $34,881 $20,716 $19,350 $2,054 $904 $900
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$40K under $50K 180,800 $44,783 $30,463 $28,409 $3,161 $1,307 $1,299
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$50K under $60K 136,492 $54,747 $40,138 $37,386 $4,477 $1,713 $1,701
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$60K under $75K 139,157 $66,907 $51,636 $48,127 $6,781 $2,201 $2,183
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$75K under $100K 122,183 $85,791 $69,302 $65,621 $10,549 $2,994 $2,963
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$100K under $200K 108,936 $131,466 $111,303 $107,775 $20,135 $4,917 $4,833
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$200K under $500K 23,959 $284,304 $253,526 $249,721 $59,198 $11,372 $10,900
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$500K under $1M 3,567 $676,692 $614,113 $610,456 $173,768 $27,789 $25,782
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$1M and over 1,948 $3,338,291 $3,029,653 $3,015,438 $895,208 $137,248 $118,346
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Average 1,727,765 $47,671 $35,159 $31,587 $5,932 $1,549 $1,505
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Source: Federal and Colorado individual income tax returns (full-year residents only)
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¹ Colorado returns are categorized as single if a spouse is not listed on the return.
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² The Colorado Taxable Income (CTI) reported on Colorado returns can be positive, zero, or negative. The CTI is negative when the taxpayer reports losses and/or subtractions greater than their income and additions. Negative values do not reduce their tax liability to be less than $0.
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³ Colorado Gross Tax is determined based on Colorado Taxable Income greater than zero. To calculate positive Colorado Taxable Income, divide the Colorado Gross Tax by the income tax rate.
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Prepared by: Office of Research and Analysis, Colorado Department of Revenue | dor_ora@state.co.us
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Data extracted: August 25, 2022
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Publish date: September 2024
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