SALARY · DATA SCIENTISTS · ILLINOIS

Data Scientists salary in Illinois

People ask me what a job pays, and my honest answer is always: it depends on the state. For data scientists in Illinois, the middle of the field earned $106,560 a year. Use that as your anchor, then look at experience, employer size and city before you judge any single offer.

MEDIAN ANNUAL SALARY

$106,560

$51 per hour at the median · That is $13,670 (11.4 percent) below the national median of $120,230 for this occupation.

$117,870Mean annual salary
$57Mean hourly wage
$10,520People employed in this job in Illinois

Salary range

25th: $84,610Median: $106,56075th: $137,290
MeasureAnnual
25th percentile$84,610
Median (50th percentile)$106,560
75th percentile$137,290
Mean$117,870

The middle half of workers earned from $84,610 to $137,290 a year. Hourly pay matters if your hours vary. An annual figure can look strong while the hourly rate tells a different story, especially in jobs with seasonal hours or overtime. Check both before you compare two offers.

What stays in your pocket on the median salary

ESTIMATED TAKE-HOME PAY

$78,665 a year
$6,555 a month
Federal tax $14,613 · FICA $8,152 · State tax $5,130
Read this before you use the take-home figure. It is a single-filer estimate using the 2026 standard deduction. It leaves out credits, other deductions, local taxes, and retirement or health deductions. Your actual paycheck can differ, and for states without a verified 2026 table in this build, state tax is still to be added once its table is verified.

Same job, other states

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