Ontario, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ontario, California is 178,347 as of the 2023 American Community Survey, making it the 25th-largest city in California. The median household income is $82,806, the median home value is $568,000, and the median age is 33.1.
The population has grown 12.7% since 2010 (164,377 → 185,285).
178,347
Population
3568
People / sq mi
$82,806
Median Income
$568,000
Median Home Value
Ontario covers 50.0 sq mi of land at 3568 people per square mile.
About Ontario, CA
Ontario is a city in California with a population of 178,347. It ranks #25 among cities in California by population. The median age is 33.1, younger than the national median. The population is 49.0% male and 51.0% female.
The median household income in Ontario is $82,806, above the US median of $74,580. 10.7% of residents live below the federal poverty level. Home values sit at a median of $568,000, with monthly rent averaging $1,916. The homeownership rate of 57.3% is lower than the national rate of 64.8%.
Educational attainment in Ontario reflects 20.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 31.6 minutes each way.
Ontario city Population History (2010-2024)
The city of Ontario city had a population of 164,377 in 2010 and 185,285 in 2024, a 12.7% growth over 14 years. The peak was 185,285 in 2024. Average annual growth rate: 0.88%.
185,285
Population (2024)
164,377
Population (2010)
185,285
Peak (2024)
0.88%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 164,377 |
| 2011 | 165,756 |
| 2012 | 166,630 |
| 2013 | 167,096 |
| 2014 | 168,097 |
| 2015 | 170,210 |
| 2016 | 172,561 |
| 2017 | 175,334 |
| 2018 | 180,718 |
| 2019 | 185,010 |
| 2020 | 175,723 |
| 2021 | 178,274 |
| 2022 | 180,736 |
| 2023 | 182,782 |
| 2024 | 185,285 |
Race & Ethnicity
| White | 29.4% |
| Black or African American | 6.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.1% |
Economy & Income
$82,806
Median Household Income
$31,141
Per Capita Income
10.7%
Poverty Rate
3.9%
Unemployment Rate
Housing
$568,000
Median Home Value
$1,916
Median Rent
57.3%
Owner-Occupied
Education
77.9%
High School+
20.7%
Bachelor's+
Commute
1.1%
Drive Alone
77.9%
Public Transit
7.3%
Work From Home
31.6 min
Avg Commute
Community Profile
6.9%
Foreign Born
46.2%
Non-English at Home
3.2%
Veterans
9.5%
With Disability
90.7%
Health Insurance
97.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 18.7% |
| Retail Trade | 12.9% |
| Finance, Insurance & Real Estate | 10.7% |
| Manufacturing | 10.5% |
| Education, Health Care & Social Services | 9.6% |
| Construction | 6.4% |
| Arts, Entertainment & Food Services | 4.7% |
| Information | 4.3% |
| Public Administration | 3.7% |
| Transportation & Warehousing | 0.9% |
| Agriculture & Mining | 0.9% |
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Common questions about Ontario, CA
Frequently Asked Questions
Ontario, California has a population of 178,347 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 25th-largest city in California.
The median household income in Ontario, California is $82,806, with 10.7% of residents living below the federal poverty level.
The median home value in Ontario, California is $568,000, with median monthly rent at $1,916 and a homeownership rate of 57.3%.
The median age in Ontario, California is 33.1 years. The population is 49.0% male and 51.0% female.
The population has grown 12.7% since 2010 (164,377 → 185,285).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.