Occupational Therapy Assistant salary in Illinois

Occupational Therapy Assistants in Illinois earn a median of $64,120 a year ($30.83 an hour), based on BLS data for 2,470 workers.

Median salary
$64,120
Hourly
$30.83
Average
$65,580
Top 10% earn
$80,150
Workers
2,470

Pay ranges from $47,830 for the lowest-paid 10% to $80,150 for the top 10%. That is 11% lower than the national median of $72,300. Illinois ranks 38th of 50 states for occupational therapy assistants pay. There are 0.41 occupational therapy assistants per 1,000 jobs here — the job is 1.2× more common than nationally. The average (mean) salary is $65,580, above the median because a few high earners pull it up.

Pay range for occupational therapy assistants in Illinois

$0$100,000
Pay levelYearlyHourly
10th percentile (entry level)$47,830$23.00
25th percentile$59,460$28.59
Median$64,120$30.83
75th percentile$73,850$35.50
90th percentile (top earners)$80,150$38.54
Average (mean)$65,580$31.53

Half of occupational therapy assistants earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.

Median paycheck, before taxes

Pay periodAmount
Monthly$5,343.33
Semi-monthly (24 a year)$2,671.67
Biweekly (26 a year)$2,466.15
Weekly$1,233.08
Hourly$30.83

Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.

Occupational Therapy Assistant salary in cities in Illinois

Highest-paying states for occupational therapy assistants

StateMedian salary
Maryland$82,010
California$81,770
Texas$81,500
Nevada$79,510
Arkansas$78,940
Delaware$78,640
Washington$77,590
New Mexico$77,020
Oregon$76,850
Georgia$75,920

See Occupational Therapy Assistant pay in every state.

Related jobs in Illinois

More: Healthcare Support Occupations · all salaries in Illinois

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 31-2011. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.

Frequently asked questions

How much does a occupational therapy assistant make in Illinois?

The median salary for occupational therapy assistants in Illinois is $64,120 a year, or $30.83 an hour. Pay ranges from $47,830 for the lowest-paid 10% to $80,150 for the top 10%.

How much do the highest-paid occupational therapy assistants make in Illinois?

The top 10% of occupational therapy assistants in Illinois earn at least $80,150 a year. The top 25% earn $73,850 or more.

What is the starting pay for occupational therapy assistants in Illinois?

Entry-level pay (the 10th percentile) is about $47,830 a year, and a quarter of occupational therapy assistants earn $59,460 or less.

How many occupational therapy assistants work in Illinois?

About 2,470 occupational therapy assistants are employed in Illinois, not counting the self-employed.