Colorado Voters Prepare for Sweeping Legislative Changes in 2026 Elections

By: Marianne Goodland | Colorado Politics

This year’s general election will feature an unusually high number of state Senate races — 21 seats, the most in at least three decades.

The surge stems from the number of new senators appointed to fill vacancies during the 2025 and 2026 legislative sessions, which triggered additional seats to go before voters.

That group of 21 includes six senators who are term-limited, running for other offices, or simply choosing not to return.

Fifteen House members, meanwhile, will not return next term — they are either term‑limited, running for another office, or choosing not to seek reelection.

Here’s a look at the lawmakers who are wrapping up their service in the General Assembly.

Open Senate seats

The 2026 election will see the end of the second term for four Democrats who were elected in the 2018 “wave” election for the state Senate, when Democrats took control of that chamber for the

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