Ontario, CA demographics:
population, income, and more
Ontario population
How many people live in Ontario
Ontario is home to 180,547 residents, according to the most recent Census data. Gender-wise, 48.8% of Ontario locals are male, and 51.2% are female.
Age demographics
The median age in Ontario is 34, with the population distributed as follows: about 20.1% are children under 15, then 14.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 31.7% of the population, while another 23.1% fall into the 45 to 64 bracket. Finally, around 10.4% are 65 or older.
Racial makeup
In Ontario, 70.8% of the population are US-born citizens, while 14.9% have gained naturalized citizenship. At the same time, 14.3% of residents are non-citizens. As for race, 20.3% of locals are Caucasian, 6.3% are African American and 9.8% have Asian roots. Another 2.1% are Indigenous American, 0.3% are Pacific Islanders, while 32.3% identify as another race. There’s also a share of 28.8% that includes residents with two or more races.
Households in Ontario
A peek inside Ontario households
Ontario has 53,770 households, with an average of 3 members in each. Of these, 78% are families, while the remaining 22% are made up of individuals living alone or with non-relatives, such as roommates.
Households stats
Housing in Ontario
The housing landscape of Ontario
Ontario's housing consists of 55,966 units, with 57.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4% of the housing landscape.
The age of buildings in Ontario
In Ontario, the median construction year is 1980. About 5.2% of homes were built before the 1940s, with another 3.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 6.9% of homes were added from 2000 to 2009, 9.8% between 2010 and 2019, and 4.5% are part of the newest wave of development.
Ontario occupancy rates
Out of the 53,770 occupied housing units in Ontario, 58% are owner-occupied, while 42% are lived in by tenants. Meanwhile, 3.9% of all homes on the local market sit vacant.
Ontario housing costs
Housing costs in Ontario come to a median of $2,068 per month, while tenants specifically pay a median gross rent of $2,030.
Education in Ontario
Ontario education at a glance
About 37.7% of the population in Ontario went to high school, while 22.4% pursued college studies. Another 8.1% earned an associate degree and 15.3% hold a bachelor’s. Meanwhile, 5.3% went even further, earning a master’s or doctorate.
Income in Ontario
How much people earn in Ontario
The average annual household income in Ontario was $106,768 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.6% change from the previous year. At the same time, the median income stood at $88,941, reflecting a +7.4% shift over the same period.
Ontario income by age
In Ontario, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $92,323. Those with someone between 45 and 64 in charge, often well established professionally, earn $101,344 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $66,250, while those led by someone over 65, many of whom may be retired, have about $69,245 in earnings. Overall, 87.6% of the locals in this community live above the poverty line.
Average renter income in Ontario
To get a better sense of what renters earn on average in Ontario, their median household income was $62,243 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 39.1%, shows what portion of their earnings goes toward housing expenses.
Employment in Ontario
Workforce and job types in Ontario
The job market in Ontario is powered by 87,850 working residents, spread across a range of industries and roles. 67.9% of the working population are employed in professional or administrative positions, while 32.1% are in hands-on or service-based jobs. Also, 8% run their own businesses, 72.3% are employed by private companies, and 12.8% work in the public sector.
Workforce demographics
Available workforce
The unemployment rate in Ontario stands at 6.3%, representing the share of the workforce currently without a job and actively looking for one.
Transportation in Ontario
How people get around in Ontario
Commuting methods vary: 88% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.
What is the median and average household income in Ontario by zipcode?
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FAQs about Ontario demographics
What is the total population of Ontario?
What is the gender ratio in Ontario?
- 48.8% males (88,181 residents)
- 51.2% females (92,366 residents)
What is the median age in Ontario?
What is the age distribution of the population in Ontario?
- Under 15: 20.1% (36,276 residents)
- Ages 15-24: 14.6% (26,405 residents)
- Ages 25-44: 31.7% (57,216 residents)
- Ages 45-64: 23.1% (41,780 residents)
- Over 65: 10.4% (18,870 residents)
What is the racial and ethnic makeup of Ontario?
- White: 20.3% (36,639 residents)
- Black or African American: 6.3% (11,358 residents)
- American Indian and Alaska Native: 2.1% (3,846 residents)
- Asian: 9.8% (17,716 residents)
- Native Hawaiian and Other Pacific Islander: 0.3% (517 residents)
- Two or More Races: 28.8% (52,083 residents)
- Other: 32.3% (58,388 residents)
What percentage of the population in Ontario are U.S.-born citizens?
How many housing units are there in Ontario?
How many households are in Ontario and what is the average household size?
What is the median household income in Ontario?
What is the employment rate and job market overview for Ontario?
Job types:
- White-collar workers: 67.9% (59,625 residents)
- Blue-collar workers: 32.1% (28,225 residents)
Places of employment:
- Self-employed: 8% (7,002 residents)
- Private companies: 72.3% (63,482 residents)
- Governmental workers: 12.8% (11,251 residents)
- Not-for-profit companies: 7% (6,115 residents)
Data source & methodology
The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.
The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.
No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.