How Much Do Hydrologic Technicians Make in Illinois?
Median wage from BLS May 2025 — and the after-tax number the salary sites skip. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data and 2026 tax law, the median Hydrologic Technicians in Illinois earns $52,870 per year and takes home $42,189 ($3,516/month) — a keep-rate of 79.8%.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $4,405.83 |
| Federal income tax | $347.03 |
| Social Security | $273.16 |
| Medicare | $63.89 |
| Illinois state income tax | $206.02 |
| You keep | $3,515.73 |
How much do Hydrologic Technicians make in Illinois?
The median Hydrologic Technicians in Illinois earns $52,870 per year (BLS May 2025), about $25.42 per hour.
What is that after taxes?
$52,870 gross in Illinois keeps $42,189 after federal income tax ($4,164), FICA ($4,045) and state income tax ($2,472) — $3,516 per month, a 79.8% keep-rate.
How does Illinois compare to the national median for Hydrologic Technicians?
The Illinois median is $11,920 below the national median of $64,790.
Which state pays Hydrologic Technicians the most?
Texas has the highest median gross for Hydrologic Technicians at $88,400 — but compare take-home, not gross: state taxes change the order.
Hydrologic Technicians salary in every state · Illinois paycheck calculator · Illinois minimum wage