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States · Colorado

Colorado Amendment 81

Law Enforcement Communication with Federal Immigration Authorities. 2026 results by county, from Colorado's official results file: Yes 44.7%, No 55.3% statewide.

Statewide

Ballot title: Shall there be an amendment to the Colorado Constitution requiring law enforcement to notify the department of homeland security when a person is charged with either a violent crime or any crime if the person has a prior felony conviction if law enforcement cannot determine that the person is lawfully present in the United States?

A yes vote
A “yes” vote on Amendment 81 requires law enforcement to notify federal immigration authorities after filing certain criminal charges against individuals who are not confirmed to be lawfully present.
A no vote
A “no” vote on Amendment 81 maintains current law, which allows cooperation with federal immigration authorities in some criminal matters, but limits state and local law enforcement involvement in civil immigration enforcement.
Yes 44.7% No 55.3%

1,189,572 yes and 1,473,718 no. Needs 55% yes to pass; the line on the bar marks it.

The state's ballot guide, page 15 · 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 41, No has the most votes in 23. The figures for each county are from the same file and add up to the statewide totals.

CountyYesNoVotes
Adams County44.8%55.2%193,975
Alamosa County51.4%48.6%6,058
Arapahoe County41.7%58.3%266,371
Archuleta County56.5%43.5%7,466
Baca County78.1%21.9%1,551
Bent County69.2%30.8%1,639
Boulder County24.4%75.6%172,153
Broomfield County37.5%62.5%40,215
Chaffee County42.3%57.7%12,883
Cheyenne County82.9%17.1%871
Clear Creek County42.8%57.2%5,073
Conejos County60.3%39.7%3,363
Costilla County46.3%53.7%1,727
Crowley County72.6%27.4%1,308
Custer County66.5%33.5%3,152
Delta County63.7%36.3%16,083
Denver County24.0%76.0%304,222
Dolores County71.0%29.0%1,212
Douglas County55.1%44.9%205,680
Eagle County40.9%59.1%23,165
El Paso County55.2%44.8%314,765
Elbert County74.3%25.7%17,256
Fremont County67.9%32.1%19,952
Garfield County47.6%52.4%25,326
Gilpin County44.8%55.2%3,431
Grand County50.7%49.3%8,791
Gunnison County34.8%65.2%9,371
Hinsdale County56.9%43.1%489
Huerfano County56.3%43.7%3,699
Jackson County73.1%26.9%639
Jefferson County41.0%59.0%306,143
Kiowa County84.0%16.0%694
Kit Carson County81.9%18.1%2,918
La Plata County39.3%60.7%29,746
Lake County39.9%60.1%3,353
Larimer County39.9%60.1%192,837
Las Animas County59.5%40.5%6,405
Lincoln County78.1%21.9%1,929
Logan County75.6%24.4%7,764
Mesa County58.4%41.6%75,067
Mineral County53.5%46.5%639
Moffat County75.0%25.0%5,264
Montezuma County56.3%43.7%12,514
Montrose County62.5%37.5%21,257
Morgan County68.4%31.6%10,094
Otero County65.3%34.7%7,087
Ouray County40.0%60.0%3,541
Park County57.5%42.5%9,750
Phillips County77.6%22.4%1,896
Pitkin County33.8%66.2%9,028
Prowers County70.4%29.6%3,955
Pueblo County55.7%44.3%67,626
Rio Blanco County78.1%21.9%2,906
Rio Grande County60.6%39.4%4,794
Routt County39.0%61.0%13,700
Saguache County43.8%56.2%2,734
San Juan County33.9%66.1%572
San Miguel County27.9%72.1%4,064
Sedgwick County75.0%25.0%1,056
Summit County34.2%65.8%14,550
Teller County67.7%32.3%13,610
Washington County80.1%19.9%2,243
Weld County57.5%42.5%147,936
Yuma County77.2%22.8%3,732

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.