$46,700 a year$22 an hour · median pay in the Riverside-San Bernardino-Ontario, CA area
Lower pay (bottom 10%)$38,540per year
Top pay (top 10%)$62,360per year
Jobs in the area11,280people work this job
Can a medical assistant afford Ontario?
Expensive. Rent of $2,618 a month takes 67.3% of the median medical assistant salary. That is over the 30% rule, so many people in this job share housing or need a second income.
Medical Assistant pay in similar cities
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Frequently asked questions
How much does a medical assistant make in Ontario, CA?
The median pay for a medical assistant in the Riverside-San Bernardino-Ontario, CA area is $46,700 a year ($22 an hour). Most earn between $38,540 and $62,360.
Can a medical assistant afford to live in Ontario?
Typical rent of $2,618 a month takes 67.3% of the median medical assistant salary, which we rate Expensive.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, for the Riverside-San Bernardino-Ontario, CA metro area.