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Early Retiree Health Insurance in Colorado

Retiring in Colorado before 65 means buying your own coverage until Medicare starts, and premiums are highest in exactly those years: insurers can charge a 64-year-old up to three times what they charge a 21-year-old. Colorado individual premiums are also set to rise 10% to 12.8% on average for 2027. How you draw retirement income can matter as much as which plan you pick.

Private health insurance in Colorado

Most people I help in Colorado end up on a private plan, not a Marketplace plan. Private, medically underwritten health insurance is priced on your age, zip code and health instead of your income, so a strong year never raises your premium and there is no tax credit to pay back in April.

Why people leave the Marketplace

Premiums keep climbing. Colorado Marketplace premiums are rising 10% to 12.8% on average for 2027.
The subsidy cliff. Above 400 percent of the poverty level ($63,840 for one person, $132,000 for a family of four) you pay full price.
Surprise tax bills. Underestimate your income and you repay the tax credit in April.
Narrow networks. Many plans are local HMOs or EPOs that need referrals and cover little outside the area.
High out-of-pocket costs. 2027 out-of-pocket maximums reach $12,000 per person and $24,000 per family.
One window a year. Outside open enrollment you need a qualifying life event to enroll or switch.

What a private plan does differently

Start any month. If approved, coverage can begin the first of next month, with no wait for open enrollment.
Networks that travel. Many private plans use national PPO networks, which can give you in-network doctors outside Colorado too. Networks vary by plan.
Can cost less than full-price Marketplace plans for some healthy applicants above the subsidy line.
Accident coverage the Marketplace does not offer. A private plan can be paired with accident coverage, a separate policy. What it includes varies by plan.
Approval is based on health. You answer health questions, and acceptance is not guaranteed.

With a significant health condition, or income low enough for a large tax credit, a Marketplace plan can be the better fit, and I will tell you if it is. Either way you see both side by side.

Private plans are not ACA Marketplace plans. Benefits, exclusions and pre-existing condition rules differ by plan and by state, so review the plan details before you enroll.

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Learn more: coverage not based on income · how underwriting works · private vs Obamacare · PPO plans for individuals · switching from the Marketplace

Retiring early in Colorado

The Census Bureau's 2025 estimates put about 659,000 Coloradans in the 55-to-64 range, roughly 11 percent of residents. Jefferson County, west of Denver, has about 69,000 people that age. The share climbs in the mountains and foothills: about 17 percent of residents in Teller County, home to Woodland Park and Cripple Creek, and in Park County are 55 to 64, and Custer County is close behind. Public workers can leave early too, since Colorado PERA members hired since 2020 can retire at any age with 35 years of service.

Colorado rules for the bridge to Medicare

Colorado's continuation law gives 18 months on a former employer's insured group plan regardless of employer size, which can carry a 63-year-old retiree most of the way to Medicare. A spouse who loses coverage through death or a change in marital or civil union status gets the same 18 months. At 65, Colorado is one of the states that requires Medigap insurers to sell coverage to people under 65 on Medicare, but it has no birthday rule, according to the NAIC's 2026 state chart. That makes the first Medigap choice at 65 especially important.

The Colorado market for 55-to-64-year-olds in 2027

Colorado buyers use Connect for Health Colorado, the state's own exchange, which sets its own calendar and runs state programs on top of federal credits. Final 2027 individual rates rise about 10 percent on average, held down by a state reinsurance program that lowers premiums by roughly 17 percent statewide and by the Colorado Option, which requires a standardized plan in every county. Colorado also funds premium help for many households that would otherwise face a steeper 2027 increase. State continuation lasts 18 months, longer than in most states, and short-term plans are limited to six nonrenewable months. Mountain counties have historically had higher premiums than the Front Range, so where you live in Colorado matters a great deal.

Other Colorado rules to know

Leaving a small employer: Colorado requires insured group plans to offer 18 months of continuation after at least six months of coverage, with the employer giving written notice within 10 days and the employee electing within 30 days.
Short-term plans: Colorado law limits short-term plans to six months, nonrenewable, and few if any insurers sell them in the state.
Where to enroll: Colorado uses its own exchange, Connect for Health Colorado. Connect for Health Colorado sets its own open enrollment dates; check its site for 2027 deadlines. Private, medically underwritten plans can start the first of any month if approved.
2027 rates: individual plans 10% to 12.8% on average, small-group plans about 14%. See the Colorado 2027 rate page.

Your income is partly your choice

The Marketplace credit is based on modified adjusted gross income. Early retirees often control it: Roth withdrawals and cash savings generally do not count, while traditional IRA withdrawals, Roth conversions and capital gains do. For 2027 the credit stops at 400 percent of the poverty level, $63,840 for one person and $86,560 for a couple. Plan withdrawals with that line in mind. General information, not tax advice — confirm with your CPA based on your specific entity structure.

Private plans for healthy retirees

A retiree above the line pays full price on the Marketplace. A healthy 55-to-64-year-old can may pay less with a private, medically underwritten plan, which is priced on health and can start the first of any month if approved. With a health condition, the Marketplace remains the guaranteed choice.

Planning the switch at 65

Your Medicare initial enrollment period runs seven months around your 65th birthday. Line up the end of your individual plan with the start of Medicare so you never pay for both or go without.

For 2027 the Marketplace credit stops at 400 percent of the poverty level: $63,840 for one person, $86,560 for two and $132,000 for a family of four. The out-of-pocket maximum for 2027 Marketplace plans is $12,000 for one person and $24,000 for a family. The full guide covers the rest.

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Colorado questions

Where do Colorado residents enroll in 2027 coverage?

Colorado uses its own exchange, Connect for Health Colorado. Connect for Health Colorado sets its own open enrollment dates; check its site for 2027 deadlines.

What continuation rights does Colorado give after leaving a small employer?

Colorado requires insured group plans to offer 18 months of continuation after at least six months of coverage, with the employer giving written notice within 10 days and the employee electing within 30 days.

How much are Colorado premiums rising for 2027?

Individual-market premiums are set to rise 10% to 12.8% on average, and small-group plans about 14%.

What health insurance do people use if they retire before 65?

COBRA or state continuation for a while, a Marketplace plan, a private underwritten plan, or a spouse's employer plan. Many use COBRA briefly and then switch.

Do Roth IRA withdrawals count toward Marketplace income?

Qualified Roth withdrawals generally do not count toward the modified adjusted gross income used for the credit, while traditional IRA withdrawals do. General information, not tax advice — confirm with your CPA based on your specific entity structure.

Sources: www2.census.gov, www2.census.gov, colorado.public.law, content.naic.org. Facts checked October 2026. See all Colorado health insurance rules.

Written by Frank Caballero, licensed health insurance agent in Colorado and 30 other states, NPN 21032307.