Comfortable Retirement

Retire Comfortably in Boulder, CO (2026)

1BR apartment, dining out occasionally, one modest vacation/year. In Boulder (COL 132), this costs $5,720/month โ€” a $17K more than the US average.

Monthly cost
$5,720
estimated
Annual cost
$68,640
per year
Nest egg needed
$1.7M
4% rule
COL index
132
US avg = 100

Monthly budget breakdown

Estimated monthly expenses for a comfortable retirement in Boulder (COL-adjusted from national baseline).

CategoryMonthlyAnnual% of budget
Housing$1,888$22,65633%
Food$858$10,29615%
Healthcare$801$9,61214%
Transport$686$8,23212%
Leisure$801$9,61214%
Misc$686$8,23212%
Total$5,720$68,640100%

How long to save $1.7M?

Time to reach your nest egg target investing at 7% annual return (S&P 500 historical avg).

Monthly savingsYears to retireRetirement age (start 30)
$1,000/mo35 yrsAge 65
$2,000/mo26 yrsAge 56
$3,000/mo22 yrsAge 52
$5,000/mo16 yrsAge 46
$8,000/mo12 yrsAge 42

Boulder vs US average โ€” Comfortable retirement

$5,720
Boulder / month
$4,333
US avg / month
+$1,387/mo
difference

Other retirement tiers in Boulder

Frequently asked questions

How much does a comfortable retirement cost in Boulder?

A comfortable retirement in Boulder costs approximately $68,640/year or $5,720/month โ€” based on a 132 cost-of-living index (US avg = 100). Using the 4% safe withdrawal rule, you need a nest egg of about $1.7M.

How long will it take to save $1.7M for retirement in Boulder?

Saving $2,000/month at a 7% average annual return would take roughly 26 years to accumulate $1.7M. At $3,000/month, it would take about 22 years. These estimates assume consistent investing in a diversified portfolio.

What is the biggest expense in a comfortable retirement in Boulder?

Housing is the largest expense at roughly 33% of the budget ($1,888/month). Healthcare ($801/month) is the second-largest category.

4% safe withdrawal rule ยท 7% annualized return assumption ยท COL-adjusted from BLS data ยท Q1 2026 estimates