Ontario, CA Census Data
The 25th largest city in California by population · 188 cities ranked
Ontario is the 25th largest city in California by population and ranks 135th of 188 for median household income. With 178,347 residents, its poverty rate of 12.7% ranks among the higher rates in California. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
178,347
49.0% male · 51.0% female
Median Age
33.1
5.6 below the national average (38.7 yrs)
Median Household Income
$82,806
$4,268 above the national average ($78,538)
Bachelor's Degree or Higher
20.7%
14.3% below the national average (35.0%)
HS diploma or higher: 77.9%
Poverty Rate
12.7%
0.3% above the national average (12.4%)
Uninsured: 9.3%
Broadband Access
97.5%
7.8% above the national average (89.7%)
Median Home Value
$568,000
Median rent: $1,916 · 57% owner-occupied
Unemployment Rate
6.0%
Labor force participation: 62.3%
Per Capita Income
$40,567
Individual average income (not household)
Veteran Population
3.2%
Disability rate: 9.5%
How Ontario Compares to Other California Cities
Rankings among all 188 California cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 25th of 188 | Top 25% |
| Highest Median Income | 135th of 188 | Bottom half |
| Lowest Poverty Rate | 127th of 188 | Bottom half |
| Highest Bachelor's Attainment | 146th of 188 | Bottom 25% |
| Highest Home Value | 134th of 188 | Bottom half |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Ontario, CA Frequently Asked Questions
What is the population of Ontario, CA?
The population of Ontario, CA is 178,347 according to the 2023 American Community Survey 5-year estimates. The median age is 33.1 years.
What is the median household income in Ontario?
The median household income in Ontario, CA is $82,806, above the national average of $78,538. Per capita income is $40,567.
What is the poverty rate in Ontario?
The poverty rate in Ontario, CA is 12.7%, compared to the national average of 12.4%. About 9.3% of residents lack health insurance.
What percentage of Ontario residents have a college degree?
20.7% of adults (25+) in Ontario hold a bachelor's degree or higher, and 77.9% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Ontario?
The median home value in Ontario, CA is $568,000. Median rent is $1,916 per month, with 57% of housing units owner-occupied.
What is the racial makeup of Ontario?
Ontario's population is 29.4% White, 6.4% Black, 68.3% Hispanic or Latino, and 8.6% Asian (source: 2023 ACS).
How does Ontario rank among California cities?
Ontario is the 25th largest city in California by population, the 135th highest for median household income, the 127th lowest for poverty rate, the 146th highest for bachelor's degree attainment among 188 ranked California cities.
What is the unemployment rate in Ontario?
The unemployment rate in Ontario, CA is 6.0%, with a labor force participation rate of 62.3%. Per capita income is $40,567.
Cities Similar to Ontario
Other California cities with comparable population and income levels.