Data Scientist salary in Illinois
A real-employer view of Data Scientist pay, clustered from DOL OFLC certified filings. Variants like Senior, Lead, and II/III titles fold into this cluster — the wage range below reflects all of them.
Data Scientist in Illinois: actual employer-disclosed pay
Public records from 296 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $119,779. Every figure below is an actual offered salary an employer attested to under federal law.
By DOL wage level
DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.
| Level | Filings | Median offer |
|---|---|---|
| Level I — entry | 41 | $82,763 |
| Level II — qualified | 111 | $98,000 |
| Level III — experienced | 81 | $140,000 |
| Level IV — fully competent | 58 | $156,322 |
Top employers filing for this role
Companies with the most certified filings for Data Scientist in Illinois. Median offer is across all of that employer's filings. Click a company for its full H-1B salary breakdown.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| PayPal, Inc. | Data Scientist | 27 | $145,000 |
| Caterpillar Inc. | Data Scientist | 13 | $101,546 |
| Boston Consulting Group, Inc. | Data Scientist | 6 | $110,000 |
| Walgreen Co. | Senior Data Scientist | 6 | $164,000 |
| 84.51 LLC | Senior Data Scientist | 5 | $146,752 |
| Caremark LLC | Data Scientist | 5 | $139,541 |
| Health Intelligence Company, LLC | Associate Data Scientist | 5 | $154,244 |
| HERE North America, LLC | Sr. Data Scientist | 4 | $128,280 |
| The Northern Trust Company | Data Scientist | 4 | $124,358 |
| AbbVie Inc. | Data Scientist I | 3 | $113,357 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Data Scientist at Molina Healthcare, Inc.$119,558ChicagoWage Level IIIDecided —I-200-26084-728106
- Sr. Data Scientist at HERE North America, LLC$142,210ChicagoWage Level IVDecided —I-200-26084-729712
- Lead Data Scientist at TransUnion LLC$142,210ChicagoWage Level IVDecided —I-200-26084-728929
- Senior Data Scientist at Caremark LLC$149,575ChicagoWage Level IIIDecided Mar 31, 2026I-200-26083-725025
- Sr Data Scientist at Aetna Resources LLC$144,323ChicagoWage Level IVDecided Mar 30, 2026I-200-26082-721533
- Sr. Data Scientist at Holland LP$117,832Des PlainesWage Level IIDecided Mar 27, 2026I-200-26079-719817
- Data Scientist III at Insurance Services Office, Inc$144,115Buffalo GroveWage Level IVDecided Mar 26, 2026I-200-26078-716811
- Senior Data Scientist at PayPal, Inc.$120,000ChicagoWage Level IIIDecided Mar 26, 2026I-200-26078-715898
Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.