Data Scientists Salary in Chicago-Naperville-Elgin, IL-IN
According to the latest U.S. Bureau of Labor Statistics data, the median annual wage for Data Scientists in Chicago-Naperville-Elgin, IL-IN is $107,640. BLS estimates approximately 7,940 people work in this occupation in Chicago-Naperville-Elgin, IL-IN. Chicago-Naperville-Elgin, IL-IN is 10.5% below the national median ($120,230).
Salary Distribution
Not everyone earns the median. Percentile wages show the range of pay within this occupation.
| Percentile | Annual wage | Hourly wage |
|---|---|---|
| 10th percentile | $70,740 | $34.01 |
| 25th percentile | $84,600 | $40.68 |
| Median (50th) | $107,640 | $51.75 |
| 75th percentile | $138,210 | $66.45 |
| 90th percentile | $168,880 | $81.19 |
Data Reliability
BLS OEWS is a survey, not a full census — every estimate carries a margin of error. The relative standard error (RSE) below is BLS’s own measure of how much an estimate could vary; lower is more precise.
- Wage estimate
- RSE 1.4% — Very reliable
- Employment estimate
- RSE 3.9% — Very reliable
Where Does Your Salary Fall?
Enter an annual salary to see roughly where it falls among reported wages for this occupation, based on the percentile points above.
Concentration
- Jobs per 1,000
- 1.759
- Location quotient
- 1.04
Cost-of-Living Adjusted Salary
Chicago-Naperville-Elgin, IL-IN’s regional price level is above the national average (index 103.595, where 100 = U.S. average). Adjusted for that, the median salary has the purchasing power of $103,905 at the national price level.
This is a Career Atlas USA calculation based on BLS wage data and BEA Regional Price Parities. It is not a separate BLS wage estimate. Wage data: May 2025. Cost-of-living data: 2024.
Sources
Wage data: BLS Occupational Employment and Wage Statistics (OEWS) — May 2025 (release 25).
Figures shown as “Not available” reflect wages the source does not publish (e.g. suppressed for reliability), not zero.