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States · Colorado

Colorado Amendment 87

Graduated Income Tax. 2026 results by county, from Colorado's official results file: Yes 51.7%, No 48.3% statewide.

Statewide

Ballot title: SHALL STATE TAXES BE INCREASED $2.7 BILLION ANNUALLY, IN ORDER TO INCREASE OR IMPROVE LEVELS OF PUBLIC SERVICES, INCLUDING K-12 PUBLIC SCHOOL EDUCATION, HEALTH CARE, AND EARLY CHILD CARE AND EDUCATION SERVICES, BY AN AMENDMENT TO THE COLORADO CONSTITUTION AND A CHANGE TO THE COLORADO REVISED STATUTES REPEALING EXISTING LAW AND CREATING NEW LAW TO REPLACE THE UNIFORM STATE INCOME TAX RATE WITH A GRADUATED INCOME TAX STRUCTURE, AND, IN CONNECTION THEREWITH, AMENDING THE TAXPAYER’S BILL OF RIGHTS TO ELIMINATE THE CONSTITUTIONAL REQUIREMENT FOR ALL TAXABLE NET INCOME TO BE TAXED AT ONE RATE WITH NO ADDED TAX ON INCOME; ESTABLISHING VARIOUS INCOME TAX RATES BASED ON THE AMOUNT OF TAXABLE INCOME EARNED BY INDIVIDUALS, ESTATES, TRUSTS, AND CORPORATIONS, WHILE MAINTAINING THE CURRENT 4.4% TAX ON INCOME FROM THE SALE OF A PRINCIPAL RESIDENCE, WHICH WILL RESULT IN THE ESTIMATED CHANGE IN INCOME TAXES OWED BY INDIVIDUALS AS IDENTIFIED IN THE FOLLOWING TABLE; AND AUTHORIZING THE STATE TO RETAIN AND SPEND ANY INCREASED REVENUE FROM THE NEW TAX STRUCTURE, AS A VOTER-APPROVED REVENUE CHANGE, TO SUPPLEMENT CURRENT LEVELS OF FUNDING FOR K-12 PUBLIC SCHOOL EDUCATION, HEALTH CARE, AND EARLY CHILD CARE AND EDUCATION PROGRAMS?

A yes vote
A “yes” vote on Amendment 87 creates a graduated state income tax that increases revenue; uses the additional money for K-12 education, health care, and early childhood care and education; and exempts additional revenue collected from the state’s constitutional revenue limit.
A no vote
A “no” vote on Amendment 87 keeps the current constitutional requirement for a flat state income tax rate.
Yes 51.7% No 48.3%

1,372,796 yes and 1,281,498 no.

The state's ballot guide, page 33 · The state's unofficial results

The state's unofficial totals. We don't call measures.

By county

64 counties: Yes has the most votes in 21, No has the most votes in 43. The figures for each county are from the same file and add up to the statewide totals.

CountyYesNoVotes
Adams County52.5%47.5%193,537
Alamosa County43.2%56.8%6,024
Arapahoe County53.7%46.3%265,371
Archuleta County45.7%54.3%7,434
Baca County19.8%80.2%1,578
Bent County26.8%73.2%1,635
Boulder County67.4%32.6%172,067
Broomfield County57.7%42.3%39,964
Chaffee County52.4%47.6%12,859
Cheyenne County13.8%86.2%865
Clear Creek County50.3%49.7%5,066
Conejos County29.7%70.3%3,331
Costilla County40.6%59.4%1,750
Crowley County24.2%75.8%1,311
Custer County30.1%69.9%3,168
Delta County35.4%64.6%16,031
Denver County68.9%31.1%303,528
Dolores County32.1%67.9%1,213
Douglas County43.8%56.2%202,266
Eagle County55.4%44.6%22,831
El Paso County44.4%55.6%313,397
Elbert County24.9%75.1%17,246
Fremont County32.1%67.9%19,940
Garfield County53.1%46.9%25,160
Gilpin County49.7%50.3%3,405
Grand County47.0%53.0%8,751
Gunnison County61.1%38.9%9,437
Hinsdale County40.1%59.9%491
Huerfano County38.4%61.6%3,683
Jackson County26.1%73.9%635
Jefferson County54.0%46.0%307,030
Kiowa County15.4%84.6%701
Kit Carson County16.4%83.6%2,910
La Plata County57.8%42.2%29,777
Lake County55.1%44.9%3,364
Larimer County55.8%44.2%191,638
Las Animas County36.6%63.4%6,414
Lincoln County22.5%77.5%1,949
Logan County24.2%75.8%7,748
Mesa County38.3%61.7%75,421
Mineral County47.3%52.7%636
Moffat County26.7%73.3%5,262
Montezuma County42.1%57.9%12,479
Montrose County34.4%65.6%21,133
Morgan County31.4%68.6%10,089
Otero County30.7%69.3%7,012
Ouray County53.9%46.1%3,533
Park County39.7%60.3%9,712
Phillips County24.2%75.8%1,880
Pitkin County62.4%37.6%8,992
Prowers County27.9%72.1%3,957
Pueblo County40.7%59.3%67,477
Rio Blanco County21.7%78.3%2,920
Rio Grande County37.2%62.8%4,786
Routt County55.9%44.1%13,657
Saguache County51.7%48.3%2,715
San Juan County63.9%36.1%563
San Miguel County63.6%36.4%4,059
Sedgwick County28.1%71.9%1,063
Summit County58.5%41.5%14,509
Teller County32.0%68.0%13,597
Washington County17.3%82.7%2,255
Weld County42.6%57.4%147,351
Yuma County19.4%80.6%3,731

The share with the most votes in each place is in bold. That's the count, not a result.

Sources & scope

Colorado's official results, file posted Nov 13, 4:49 PM. Unofficial until certified. Colorado's page has its other statewide offices, ballot measures and legislature.