City profile
Boulder, CO
Boulder County · Population 106,433
Boulder is a city in Boulder County, CO with about 106,433 residents and a typical home value near $1,040,000. It is 24 miles from Denver, CO, which shapes its climate, healthcare access and amenities.
Climate
Climate type
mountain_alpine
Winter avg
32°F
Summer avg
74°F
Sunny days / yr
245
Home prices & cost of living
Median home price
$1,039,500
Typical monthly housing
$6,071
Cost of living (100 = U.S.)
155
Taxes
- Property tax
- 0.49%
- State income tax (top)
- 4.4%
- Social Security
- Taxed (with exemptions)
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 7.81%
FEMA natural hazard risk
Relatively Moderate · county score 91/100
Top hazards: Lightning, Hail, Wildfire
Nearest major airport
33 mi to Denver International Airport (DEN)
Political lean (2024 county vote)
Leans Democratic · 77% Democratic / 21% Republican
Community
Population
106,433
Black population
1.1%
County
Boulder County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Home insurance premiums are rising quickly here
- ▸Home prices are softening in 2026 — more room to negotiate
- ▸Climate/cost risks to check: hail, wildfire
Highlights
- About 106,433 residents
- Typical home value about $1,040,000
- 24 miles from Denver, CO
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.