For the best information about the City of Ontario, visit the City of Ontario Website.
City's Mission Statement
Founded as a Model Colony, based on innovation, planned development, community service and family values, the City of Ontario has become the economic heart of the region. The City Council is committed to maintaining Ontario’s leadership role in the Inland Empire by continuing to invest in the growth and evolution of the area’s economy while providing a balance of jobs, housing, and educational and recreational opportunities for our residents in a safe, well-maintained community.
Quick City Facts
Population: 173,690
47.0% Hispanic
30.9% Caucasian
3.9% Asian
0.5% African American
0.4% Pacific Islander
0.1% Native American
17.2% Other
Elevation: 925 feet
Area: 50 sq miles
Location: 35 miles East of Los Angeles
Latitude: 34° 03' N
Longitude: 117° 37' W
Avg. Temp: 83°F / 24°C
City Incorporated: 1891
Government Type: City Council / City Manager
County: San Bernardino
State: California
Time Zone: Pacific Standard Time
Area Code: (909)
Zip Codes: 91758, 91761, 91762, 91764
City Motto: Southern California's Next Urban Center
Official Song: "Beautiful Ontario" by Paul & Sally Coronel
Official Flower: Charlotte Armstrong Rose
Famous Tree: Pepper Tree
Neighboring Cities: Upland, Montclair, Chino, Rancho Cucamonga, Fontana and Eastvale