Data Scientist salary in Illinois

The median annual wage for data scientists in Illinois is $106,560, according to the U.S. Bureau of Labor Statistics OEWS May 2025 estimates — below the national median of $120,230. Illinois ranks 22 of 48 states and DC with published data for this occupation.

Median

$106,560

25th percentile

$84,610

75th percentile

$137,290

90th percentile

$168,880

Employment and national comparison

Employment in Illinois	10,520
Mean annual wage in Illinois	$117,870
National median	$120,230
National employment	262,440

Metro areas in Illinois

Chicago, IL: median $107,640

States with similar pay for data scientists

Wisconsin: median $106,680
Pennsylvania: median $106,850
Arizona: median $107,240
Utah: median $108,090
Georgia: median $104,340
Arkansas: median $109,390

See all states ranked for data scientists.

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates; state, metropolitan area and national files from https://www.bls.gov/oes/tables.htm. State estimates are for BLS occupation "Data Scientists" (15-2051), cross-industry, all ownerships. Retrieved 2026-10-02. Where BLS does not publish a numeric estimate (suppressed, or reported only as at or above $239,200) the value is shown as —.