2026 Q3 · rank 1 of 51
Roof replacement cost in Illinois
An architectural shingle roof in Illinois costs $609 per square installed on the 2026 Q3 Roof Cost Index, +21.8% against the US typical of $500. Roofers in Illinois earn a mean $37.33/hour (BLS, May 2025), a labor index of 1.336.
All materials in Illinois
| Material | Low | Typical | High | US typical | vs US |
|---|---|---|---|---|---|
| Architectural shingles | $501 | $609 | $717 | $500 | +21.8% |
| 3-tab shingles | $347 | $439 | $531 | $355 | +23.6% |
| Standing seam metal | $1,068 | $1,468 | $1,868 | $1,250 | +17.5% |
| Metal panel | $634 | $1,101 | $1,568 | $900 | +22.4% |
| Tile | $868 | $2,169 | $3,471 | $1,800 | +20.5% |
| Slate | $1,134 | $2,302 | $3,470 | $2,000 | +15.1% |
| Flat membrane | $317 | $584 | $851 | $475 | +23.0% |
A typical 2,000 sq ft footprint at a medium pitch is about 24.6 squares, so multiply the per-square figure by roughly 25 for a whole-roof number before tear-off, permit and extras. Use the calculator below for your own footprint.
Metro areas in Illinois
| Metro (BLS MSA) | Typical / square | vs state | Metro rank of 263 |
|---|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | $628 | +3.1% | 2 |
| Springfield, IL | $614 | +0.8% | 3 |
| Decatur, IL | $581 | -4.6% | 13 |
| Peoria, IL | $574 | -5.7% | 16 |
| Rockford, IL | $560 | -8.0% | 20 |
| Champaign-Urbana, IL | $518 | -14.9% | 68 |
| St. Louis, MO-IL (listed under MO) | $538 | -11.7% | 37 |
| Davenport-Moline-Rock Island, IA-IL (listed under IA) | $483 | -20.8% | 129 |
Only metros with a BLS roofer wage row appear. Areas outside these metros use the state figure.
How Illinois compares
Illinois ranks 1 of 51 states. Nearby on the Index: New Jersey ($591), Massachusetts ($583). The spread across all states runs from $609 to $428 per square, and the whole gap is labor: material is priced nationally in this edition.
This page is generated from the 2026 Q3 Index. A written guide for Illinois is added when the state is activated with a roofer partner and a county footprint source. Methodology.
Estimate a roof in Illinois
Low / typical / high ranges from cited national cost tables, adjusted by local roofer wages (BLS). No email required.