Data & Demographics
Population
One of Southern California’s fastest growing cities for more than 25 years, Ontario is poised to be the largest city in San Bernardino County and the second-largest city in the Inland Empire.
186K
Population - 2023
300K
Population - 2040 (projection)
4.23M
Population - Greater Ontario Area
Demographics
Households (largest proportion): 29.4% married couples with minor children at home. Occupation (largest proportion): 27% sales and office and 16% manufacturing.
32.7
Median Age (Years)
$82.1K
Median Household Income
$702.5K
Median Home Sale Price
Climate
Ontario has a Mediterranean-type climate: moderate temperatures and low humidity year-round. Many days a year of sunshine and clear skies with only a few rainy days in between.
321
Days of Sunshine
83° F
Average Temperature (24° C)
16.6
Average Rainfall (inches)
City Facts
One of Southern California’s fastest growing cities for more than 25 years, Ontario is poised to be the largest city in San Bernardino County and the second-largest city in the Inland Empire.
1891
Year of Incorporation
50
City Size in Square Miles
925
Elevation (Ft.)