Skip to content
Bellwether
LatestAll updates →
U.S. House · open seat · All Colorado races

Colorado District 1

Solid D
Compare
Melat Kiros
Democratic
100 in 100
50–50chance of winning, out of 100
Christy Peterson
Republican
0 in 100

Melat Kiros wins in 100 of 100 simulations.

There are no qualifying public polls yet, so the forecast leans on fundamentals; partisan lean, the national environment and incumbency point to Melat Kiros +67.6.

Where the result could land

Every simulated outcome, grouped in 2-point steps. Projected margin Kiros +67.6; 80 in 100 fall between Kiros +60.3 and Kiros +74.9.

Peterson +30Peterson +20Peterson +10Kiros +10Kiros +20Kiros +30Tie

The candidates

Melat Kiros
Democratic
No biography on file yet.
Christy Peterson
Republican
No biography on file yet.
Shimon Blau
Independent
Chad Humphrey
Libertarian
Critter Milton
Unity

Ballot list and short bios from Wikipedia (CC BY-SA); websites from Wikidata.

What if this race flips? Try it in the map builder →

Polls

No public polls have tested Melat Kiros against Christy Peterson yet.

No polls of this matchup yet, so there is no polling average. The forecast relies on fundamentals.

Chance of winning over time

How this race’s odds have moved as polls and the national environment changed.

No change over the past 3 months
020406080100Aug 1Sep 1Oct 1

Out of 100. Today: Kiros 100, Peterson 0.

What’s driving the forecast

The model blends each estimate by how much to trust it right now. Polls get 0% of the weight, 15 days out.

Polling average (after adjustments)—no polls
Partisan lean (Cook PVI, 2026 lines) D+29.0roughly 58 points of margin vs. the nation
National environment D+9.6generic ballot + presidential approval
Incumbencynoneopen seat or incumbent not on ballot
Fundamentals estimateKiros +67.6±6 typical error
Expert ratings (average)—used only in the “+ Expert ratings” version
ForecastKiros +67.6±5.7 standard deviation, including 2.3 for movement before Election Day

All three versions

  • Polls only: Melat Kiros 100 in 100 (Solid D)
  • Polls + fundamentals: Melat Kiros 100 in 100 (Solid D)
  • Polls + fundamentals + experts: Melat Kiros 100 in 100 (Solid D)

Rules and notes

  • Incumbent lost renomination

House races, closest first · this is #276 of 421