Colorado elections in 2026

Colorado US Senate: D 56.0 to R 40.0, likely Democratic, well sourced. John Hickenlooper Defends Colorado Senate Seat Against State Senator Mark Baisley

Colorado Governor: D 53.0 to R 35.0, likely Democratic, well sourced. Weiser Holds Cash Advantage as GOP Nominee Marx Skips Early Debate

House delegation as simulated: 4 D, 2 R, 2 tossups of 8 districts swept.

Model readings of live reporting, not polling. The full Colorado board, with sourcing and the county map where one exists, is on the Midterms 2026 tab of the homepage.

How Colorado votes

Colorado blends a booming Front Range corridor from Denver to Fort Collins with ranching and energy country on the plains and Western Slope. It has trended Democratic statewide while retaining a strong independent registration and an outdoors-and-growth politics of its own.

Its largest population centers include Denver, Colorado Springs, Boulder, Pueblo. Where a state's people live, and what those places do for a living, is the starting point for how Electorate HQ simulations reason about it.

On the ballot in Colorado

Election day is November 3, 2026. Colorado has 2 statewide races and 8 House seats on the ballot.

Statewide races

House districts

Every House seat is elected every two years. Each district below is listed with the counties inside it, computed from the current Census boundary files, wherever those files give a clean answer. Not sure which district is yours? Use the address lookup below.

• Colorado 1st district: Denver County
• Colorado 2nd district: Boulder, Clear Creek, Eagle, Gilpin, Grand, Jackson, Larimer, Routt and 1 more counties (9 in all)
• Colorado 3rd district: Alamosa, Archuleta, Conejos, Costilla, Delta, Dolores, Garfield, Gunnison and 18 more counties (26 in all)
• Colorado 4th district: Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley, Douglas, Elbert and 11 more counties (19 in all)
• Colorado 5th district: El Paso County
• Colorado 6th district: entirely within Arapahoe County
• Colorado 7th district: Broomfield, Chaffee, Custer, Fremont, Jefferson, Lake, Park, Teller Counties
• Colorado 8th district: entirely within Weld County

Find your exact districts

Which district am I in? Colorado districts by county

House districts follow population, not county lines, so a single county can hold several districts and a single district can span many. Each county is listed under the district that holds its center, so if your county appears once above, that district holds most of it and is probably yours. If it appears under several, or if you live near a district line, use the address lookup for the exact answer.

Before you vote in Colorado

Registration deadlines, early voting windows, mail ballot rules and identification requirements are all set at the state level and change between cycles, so the authoritative source is your own election office rather than any national site. The federal directory at vote.gov links to every state's registration system, and your county election office publishes the sample ballot that includes local contests.

The ballot section above covers the federal and statewide offices on the Colorado ballot for November 3, 2026. Each statewide race links to a page with current coverage and an AI-generated simulation of the contest, always labeled as a simulation rather than a poll.

Local races

Local councils and commissions, school boards, judges, sheriffs and municipal offices are also on many Colorado ballots, and they vary block by block. Your county election office publishes the authoritative local sample ballot.

Colorado's weight in Washington

Colorado carries 10 electoral votes, which ranks it 18 of 51 by that measure, and sends 8 voting members to the House.

That arithmetic is why the same national argument lands differently here than in a state of another size: a candidate courting Colorado is competing for a specific share of the map, and the issues below are the ones that share actually turns on.

How Colorado is represented

Colorado is divided into 8 House districts, each drawn to hold roughly the same number of people, while its two Senate seats represent the state as a whole. A campaign here therefore runs two different arguments at once: a local one shaped by whichever district a voter lives in, and a statewide one that has to hold together across all 8.

Electoral votes follow the same arithmetic, House seats plus two, which is why Colorado carries 10 in a presidential year and why small states carry proportionally more weight there than population alone would give them. The district list above shows every district on the 2026 ballot and the counties the boundary files place inside each one.

Issues that weigh heavily in Colorado

Based on the state's industry mix, geography and cost of living, these issues tend to carry structural weight in Colorado elections:

Latest Colorado political headlines

Simulate Colorado

In the Electorate HQ simulator, Colorado is one of 51 delegations that reads current reporting and decides a presidential race issue by issue. Results are AI simulations, clearly labeled, with the reasoning shown for every call. See the methodology for what that does and does not mean.

Analysis covering Colorado

• One seat covers 34 square kilometres. One seat covers 1,713,379.

  New York's 12th and Alaska's at-large seat each elect one member of the House. On the ground, one is fifty thousand times the size of the other.

• Twenty-six states elect a senator and a governor on the same day in 2026

  The overlap between the Senate class and the gubernatorial cohort is a coincidence of two unrelated calendars, and it decides where money goes.

• The 2026 Senate map covers 62% of the country and 70% of the states

  Thirty-five of fifty states vote for Senate this year. Weighted by people rather than states the share drops, and that gap is the design of the chamber.