City in California
Ontario, CA
- Population
- 185,285 (2024)
- Density
- 3,707 / sq mi
- Land area
- 50.0 sq mi
- Water area
- 0.0 sq mi
- Coordinates
- 34.0370, -117.6060
Resident reviews
Be the first to review →No reviews yet. Live in Ontario, or used to? Tell people what it is really like.
ZIP codes
- 91761
- 91762
- 91764