BLS Official Data · OEWS May 2025

Data Scientists in Illinois

$117,870 / year · average (mean) annual wage
$56.67 per hour

▼ 7.0% below U.S. average18th of 49 states

Source: U.S. Bureau of Labor Statistics Dataset: OEWS May 2025 Published: May 2026 Coverage: All 50 States + DC
Average$117,870per year
Median$106,560per year
Hourly$56.67per hour
10th – 90th percentile$68,810 – $168,880per year

Data Scientists Pay Range in Illinois

Pay distribution across experience levels

  • 10th Percentile — Entry Level$68,810
  • 25th Percentile — Junior$84,610
  • 50th Percentile — Median$106,560
  • 75th Percentile — Senior$137,290
  • 90th Percentile — Top Earners$168,880

Half of Data Scientists in Illinois earn more than $106,560. The top 10% make $168,880 or more, while entry-level workers start around $68,810.

Data Scientists in Illinois: Key Facts

Source: BLS OEWS May 2025

  • Illinois ranks 18th of 49 states for Data Scientists pay, at $117,870 per year (7.0% below the U.S. average of $126,800).
  • 10,520 people work as Data Scientists in Illinois — 4.0% of all U.S. Data Scientists jobs.
  • Location quotient 1.02: Data Scientists jobs are more concentrated in Illinois than in the U.S. overall.
  • Pay range: the lowest-paid 10% earn under $68,810; the top 10% earn over $168,880.
  • Hourly equivalent: $56.67 per hour (2,080 hours/year).
  • The highest-paying state is Washington at $158,040.
  • Among technology jobs in Illinois, Computer and Information Research Scientists pays the most ($142,950).

Data Scientists Job Market in Illinois

Key factors affecting compensation

Illinois's key industries are Finance, Manufacturing, Agriculture, and its job market is rated strong. Data Scientists here earn $117,870 on average, placing the state 18th nationally.

With a cost-of-living index of 1.05 (U.S. = 1.00), a Illinois salary of $117,870 is roughly equivalent to $112,257 at the national average cost of living.

Compared with nearby states in the pay ranking, North Carolina ($121,270), Texas ($119,710), Florida ($119,150) are the closest alternatives for Data Scientists weighing a move.

U.S. Bureau of Labor Statistics · Occupational Employment and Wage Statistics (OES) · May 2025

Related career salary benchmarks

Frequently Asked Questions

Common questions about this salary

What is the average Data Scientists salary in Illinois?

The average Data Scientists salary in Illinois is $117,870 per year (median $106,560), which is 7.0% below the national average of $126,800.

How does Illinois rank for Data Scientists pay?

Illinois ranks 18th out of 49 states. The highest-paying state is Washington ($158,040/yr).

How much do entry-level Data Scientists make in Illinois?

The lowest-paid 10% of Data Scientists in Illinois earn about $68,810 per year and the 25th percentile is $84,610.

How much do Data Scientists make per hour in Illinois?

About $56.67 per hour, based on the $117,870 annual average and 2,080 working hours per year.

How many Data Scientists work in Illinois?

BLS counts 10,520 Data Scientists jobs in Illinois (OEWS May 2025).

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