City in Colorado
Thornton, CO
- Population
- 146,689 (2024)
- Density
- 4,002 / sq mi
- Land area
- 36.7 sq mi
- Water area
- 2.0 sq mi
- Coordinates
- 39.9204, -104.9414
Resident reviews
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ZIP codes
- 80023
- 80229
- 80233
- 80241
- 80260
- 80602
- 80640