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Colorado Department of Revenue
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2018 Individual Statistics of Income
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Table 22. Income and Tax Data by County 1
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This table uses mailing addresses to categorize full-year resident returns by Colorado county. Aggregate income and tax data are summarized for each county.
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I. Number of Returns, Income, and Tax Data
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County Number of Returns Federal AGI Federal Taxable Income Colorado Gross Tax Colorado Net Tax Federal Tax
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Adams 197,912 $12,136,153,178 $8,699,489,147 $379,077,530 $374,706,034 $1,244,633,978
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Alamosa 6,133 $302,406,820 $202,266,242 $8,235,990 $7,803,315 $28,118,406
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Arapahoe 292,618 $24,388,024,150 $19,106,104,760 $835,644,835 $802,497,591 $3,513,533,308
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Archuleta 5,492 $320,543,286 $224,603,409 $8,652,507 $7,994,840 $35,289,316
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Baca 1,374 $48,095,966 $40,837,519 $1,648,490 $1,483,435 $6,381,113
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Bent 1,359 $54,722,221 $35,862,164 $1,418,202 $1,378,451 $5,335,189
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Boulder 147,245 $15,873,684,146 $13,060,092,669 $573,285,937 $546,975,384 $2,583,043,157
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Broomfield 33,567 $3,518,479,725 $2,849,586,262 $124,194,844 $120,756,013 $513,497,208
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Chaffee 8,600 $607,469,474 $452,403,396 $18,129,116 $17,167,599 $72,770,748
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Cheyenne 731 $27,640,416 $29,474,355 $1,249,130 $1,103,300 $4,760,899
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Clear Creek 2,702 $171,838,370 $127,125,960 $5,342,428 $5,262,624 $20,017,614
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Conejos 2,820 $114,462,820 $72,520,232 $2,874,323 $2,626,054 $9,221,623
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Costilla 1,189 $46,341,856 $27,874,600 $1,060,732 $971,418 $3,711,059
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Crowley 1,050 $42,701,630 $27,987,090 $1,103,455 $1,071,659 $3,865,118
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Custer 1,923 $119,545,979 $86,570,022 $3,166,944 $3,008,071 $13,567,143
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Delta 12,390 $606,631,483 $415,344,589 $16,206,104 $15,458,894 $57,335,087
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Denver 306,280 $29,364,679,051 $23,582,634,045 $1,047,399,196 $995,100,066 $4,745,215,078
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Dolores 724 $33,283,256 $22,985,940 $911,597 $800,292 $2,968,659
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Douglas 147,416 $18,465,715,260 $15,288,567,419 $676,265,354 $653,669,421 $2,914,184,857
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Eagle 21,809 $2,337,236,228 $1,867,819,907 $83,410,661 $75,301,241 $382,018,002
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Elbert 7,881 $690,020,654 $533,256,112 $22,833,134 $22,410,155 $86,798,901
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El Paso 270,049 $19,182,233,003 $14,256,552,907 $600,085,149 $584,658,930 $2,282,628,913
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Fremont 16,227 $856,530,660 $589,509,850 $22,720,913 $21,969,060 $83,320,802
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Garfield 27,173 $2,240,566,364 $1,736,805,334 $75,951,658 $71,146,847 $327,862,811
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Gilpin 2,406 $154,459,546 $114,751,282 $4,849,065 $4,753,686 $17,084,023
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Grand 6,812 $502,615,589 $388,938,324 $16,451,658 $15,968,927 $66,817,908
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Gunnison 7,315 $490,982,227 $364,554,039 $15,593,726 $14,809,754 $60,990,794
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Hinsdale 314 $21,075,181 $15,119,095 $566,607 $547,090 $2,161,183
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Huerfano 2,279 $98,814,127 $66,223,436 $2,447,504 $2,335,400 $9,438,465
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Jackson 587 $29,568,230 $22,106,627 $902,852 $879,332 $3,631,233
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Jefferson 292,906 $26,129,373,777 $20,603,625,067 $886,652,903 $859,657,622 $3,662,522,362
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Kiowa 562 $31,902,976 $25,270,359 $1,036,730 $930,327 $5,197,176
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Kit Carson 3,019 $132,440,384 $105,756,194 $4,380,509 $3,868,170 $15,958,654
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Lake 3,175 $170,928,594 $117,966,814 $5,016,809 $4,889,410 $16,823,597
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La Plata 23,745 $1,848,740,763 $1,432,812,941 $60,204,727 $55,046,968 $252,964,086
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Larimer 148,434 $11,820,939,754 $9,159,466,066 $390,832,899 $379,462,762 $1,574,164,960
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Las Animas 5,248 $252,826,507 $174,940,725 $6,739,503 $6,446,472 $25,963,178
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Lincoln 1,872 $91,155,860 $65,506,467 $2,657,339 $2,526,131 $8,692,510
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Logan 7,840 $446,749,260 $318,360,434 $13,191,272 $12,200,936 $49,303,740
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Mesa 63,173 $3,903,924,344 $2,816,162,013 $116,205,672 $112,439,387 $441,208,214
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Mineral 349 $22,058,555 $15,826,013 $591,788 $514,141 $2,552,521
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Moffat 5,251 $300,724,048 $217,651,951 $9,122,540 $8,928,644 $28,483,308
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Montezuma 10,350 $570,584,762 $399,499,246 $15,854,956 $13,355,586 $64,904,277
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Montrose 17,465 $950,288,731 $660,544,582 $26,143,681 $25,004,139 $95,109,490
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Morgan 12,470 $655,314,998 $466,392,512 $19,830,865 $19,383,153 $63,377,979
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Otero 6,953 $285,094,059 $193,575,017 $7,643,810 $7,482,931 $23,957,000
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Ouray 1,961 $181,065,206 $153,064,894 $6,463,163 $5,562,989 $29,912,538
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Park 6,582 $433,613,241 $316,780,486 $12,977,685 $12,677,800 $47,532,781
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Phillips 1,968 $108,557,303 $77,440,013 $3,177,621 $2,812,043 $11,444,930
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Pitkin 11,153 $1,619,465,919 $1,398,539,020 $62,547,487 $55,904,224 $315,094,531
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Prowers 4,520 $205,391,735 $138,023,459 $5,630,866 $5,186,502 $20,060,886
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Pueblo 65,268 $3,440,958,291 $2,360,819,479 $94,326,494 $92,715,278 $332,930,443
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Rio Blanco 2,367 $148,313,404 $111,655,597 $4,689,256 $4,506,684 $15,029,008
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Rio Grande 4,547 $241,484,745 $164,691,778 $6,726,872 $6,109,354 $25,163,585
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Routt 11,910 $1,205,322,063 $1,024,068,639 $45,114,465 $41,469,299 $207,899,786
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Saguache 2,552 $83,479,323 $66,528,688 $2,719,507 $2,352,699 $10,551,244
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San Juan 280 $12,631,301 $8,678,605 $339,008 $317,576 $1,314,642
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San Miguel 3,762 $388,816,619 $326,698,761 $14,708,806 $12,664,918 $68,139,521
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Sedgwick 917 $37,192,226 $26,018,580 $1,018,024 $846,312 $3,374,581
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Summit 15,077 $1,448,844,522 $1,147,812,723 $50,697,128 $48,307,455 $223,445,341
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Teller 10,691 $696,007,808 $517,161,472 $20,711,607 $20,164,422 $78,601,742
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Washington 1,732 $85,222,493 $57,668,056 $2,341,493 $2,112,624 $7,934,670
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Weld 129,703 $9,760,705,263 $7,384,040,438 $321,024,169 $314,540,589 $1,192,580,709
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Yuma 3,934 $193,310,731 $140,382,832 $5,800,453 $5,246,749 $19,449,736
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Total 2,416,113 $200,749,950,461 $156,501,396,654 $6,778,799,748 $6,520,249,179 $28,041,846,321
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Source: Federal and Colorado individual income tax returns (full-year residents only)
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1 This table reports on returns matched to a Colorado county by zip code. Returns with zip codes that do not match the Colorado counties defined by the Federal Information Processing Standard (FIPS) county codes are excluded. Returns with a valid zip code that crosses multiple county boundaries are assigned to the county containing the largest proportion of addresses as determined by the U.S. Department of Housing and Urban Development (HUD).
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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 20, 2020
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Publish date: November 2021
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