How Much Does a Data Scientist Make in Illinois (IL) in 2026? (Hourly & After-Tax Salary)
Median Annual & Hourly Wage in Illinois (IL)
$117,400/yr ($56.44/hr · $85,413 After-Tax)
Entry-Level (25th Pct)$91,560 ($44.02/hr)
Experienced (90th Pct)$158,480 ($76.19/hr)
Bi-Weekly Net Paycheck$3,285.12
Overtime Rate (1.5x)$84.66/hr
Gross vs. Net After-Tax Pay by Experience Level (2026)
| Level | Hourly | Gross Annual | Federal + FICA + State Tax | Net Take-Home | Bi-Weekly Net |
|---|---|---|---|---|---|
| Entry-Level | $44.02/hr | $91,560 | −$23,046.26 | $68,513.74 | $2,635.14 |
| Median (Mid-Career) | $56.44/hr | $117,400 | −$31,986.90 | $85,413.10 | $3,285.12 |
| Senior / Top 10% | $76.19/hr | $158,480 | −$47,003.18 | $111,476.82 | $4,287.57 |
Compare Wage Across All 50 U.S. States
Texas ($53.70/hr)California ($64.66/hr)Florida ($52.06/hr)New York ($63.57/hr)Illinois ($56.44/hr)Arizona ($53.16/hr)New Jersey ($61.38/hr)Georgia ($52.61/hr)North Carolina ($52.06/hr)Washington ($63.02/hr)Pennsylvania ($54.25/hr)Ohio ($51.51/hr)Nevada ($53.70/hr)Colorado ($58.09/hr)Virginia ($57.54/hr)Massachusetts ($64.12/hr)Michigan ($52.61/hr)Tennessee ($50.42/hr)Indiana ($50.96/hr)Maryland ($59.18/hr)Minnesota ($56.99/hr)Missouri ($50.42/hr)Wisconsin ($53.16/hr)Oregon ($57.54/hr)Connecticut ($60.83/hr)Utah ($53.16/hr)South Carolina ($49.87/hr)Alabama ($48.22/hr)Louisiana ($48.77/hr)Kentucky ($48.77/hr)Oklahoma ($48.77/hr)Kansas ($50.42/hr)Iowa ($50.96/hr)New Mexico ($50.42/hr)Arkansas ($47.68/hr)Mississippi ($46.58/hr)Nebraska ($51.51/hr)Idaho ($50.96/hr)Hawaii ($59.18/hr)New Hampshire ($56.44/hr)Maine ($52.06/hr)Rhode Island ($55.90/hr)Montana ($50.42/hr)Delaware ($55.35/hr)South Dakota ($49.87/hr)North Dakota ($52.06/hr)Alaska ($59.73/hr)Vermont ($53.70/hr)West Virginia ($47.13/hr)Wyoming ($52.06/hr)