How Much Do Software Developers 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 Software Developers in Illinois earns $132,110 per year and takes home $95,169 ($7,931/month) — a keep-rate of 72%, with 56,310 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $11,009.17 |
| Federal income tax | $1,703.36 |
| Social Security | $682.57 |
| Medicare | $159.63 |
| Illinois state income tax | $532.89 |
| You keep | $7,930.72 |
How much do Software Developers make in Illinois?
The median Software Developers in Illinois earns $132,110 per year (BLS May 2025), about $63.52 per hour.
What is that after taxes?
$132,110 gross in Illinois keeps $95,169 after federal income tax ($20,440), FICA ($10,106) and state income tax ($6,395) — $7,931 per month, a 72% keep-rate.
How does Illinois compare to the national median for Software Developers?
The Illinois median is $3,870 below the national median of $135,980.
Which state pays Software Developers the most?
California has the highest median gross for Software Developers at $174,410 — but compare take-home, not gross: state taxes change the order.
Software Developers salary in every state · Illinois paycheck calculator · Illinois minimum wage