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Colorado

November 3, 2026 general election. Statewide measures only. Local measures are out of scope for v1.

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State links as of 2026-10-10.

Election dates

We are not hard-coding calendar dates for this state. Use the official election office and the cited NCSL summary below, then confirm locally.

NCSL registration deadline (relative days, not a calendar date): Eight days before an election. Same-day registration is permitted during early voting and on Election Day.

Same-day registration (NCSL): yes · Early in-person voting (NCSL): yes

Confirm every date and rule with your state or local election office. NCSL compiles these tables for legislators, not as a voter-facing deadline calculator. Registration table NCSL as of 2026-05-20. Early voting NCSL as of 2026-08-11.

In this dataset: 14 Arguments for and against: 14 Only one side published: 0 No official arguments: 0

Ballot measures

Statewide measures apply in every county. Local measures are out of scope for v1.

MeasureStatusArgumentsTypeTopic
Amendment 81: Law Enforcement Communication with Federal Immigration Authorities Upcoming Arguments for and against Initiated constitutional amendment Criminal Justice, Federal Government, Law Enforcement
Amendment 82: Constitutional Right to Purchase and Sell Natural Gas Upcoming Arguments for and against Initiated constitutional amendment Natural Resources
Amendment 83: Constitutional Right to Hunt and Fish Upcoming Arguments for and against Initiated constitutional amendment Animal Rights/Hunting & Fishing
Amendment 84: Mail Ballot Voter Identification Upcoming Arguments for and against Initiated constitutional amendment Elections
Amendment 85: Plain Language Ballot Titles Upcoming Arguments for and against Initiated constitutional amendment Elections-Initiative Process
Amendment 86: Requirements for Off‑Cycle Congressional Redistricting A “yes” vote on Amendment 85 requires that ballot titles be written in plain language, defined as an eighth-grade reading level, and prohibits any law from interfering with this requirement. A “no” vote on Amendment 85 maintains current law, which requires plain language for ballot titles, but does not specify a particular grade-level reading standard. Upcoming Arguments for and against Initiated constitutional amendment Redistricting
Amendment 87: Graduated Income Tax Upcoming Arguments for and against Initiated constitutional amendment Tax & Revenue
Proposition 132: Increase Penalties for Fentanyl Crimes Upcoming Arguments for and against Initiated statute Criminal Justice, Drug/Alcohol/Tobacco Policy
Proposition 133: Penalties for Human Trafficking of a Minor Upcoming Arguments for and against Initiated statute Criminal Justice
Proposition 134: Male and Female Participation in School and Collegiate Sports A “yes” vote on Proposition 133 increases the penalties for child sex trafficking to life in prison without parole, and expands child sex trafficking to include buying sexual activity with a minor. A “no” vote on Proposition 133 keeps the existing felony criminal penalties for child sex trafficking with a sentencing range of 8 to 48 years in prison plus a mandatory parole period. Upcoming Arguments for and against Initiated statute Education: Higher Ed, Education: PreK-12
Proposition 135: Prohibit Surgery on Minors in Response to Perception of Sex or Gender Upcoming Arguments for and against Initiated statute Health
Proposition 136: Income Tax Rate Limit Upcoming Arguments for and against Initiated statute Tax & Revenue
Proposition 137: Direct Sporting Goods Sales Tax Revenue for Conservation Upcoming Arguments for and against Initiated statute Environmental Protection, Tax & Revenue
Proposition NN: Keep and Spend Money for Education and Other Purposes Upcoming Arguments for and against Legislative referral Education: PreK-12

Candidates

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