City in Colorado
Boulder, CO
- Population
- 106,803 (2024)
- Density
- 3,967 / sq mi
- Land area
- 26.9 sq mi
- Water area
- 1.1 sq mi
- Coordinates
- 40.0244, -105.2513
Resident reviews
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ZIP codes
- 80301
- 80302
- 80303
- 80304
- 80305
- 80310