2026 Q3 · metro rank 13 of 263
Roof replacement cost in Decatur
An architectural shingle roof in the Decatur, IL metro costs $581 per square installed on the 2026 Q3 Roof Cost Index: -4.6% against the Illinois figure of $609 and +16.2% against the US typical of $500. Roofers here earn a mean $34.90/hour (median $35.88, about 60 employed), BLS May 2025.
Low
$475
per square
Typical
$581
per square, architectural shingles
High
$687
per square
All materials in Decatur
| Material | Low | Typical | High | US typical | vs US |
|---|---|---|---|---|---|
| Architectural shingles | $475 | $581 | $687 | $500 | +16.2% |
| 3-tab shingles | $330 | $417 | $505 | $355 | +17.5% |
| Standing seam metal | $1,024 | $1,412 | $1,799 | $1,250 | +12.9% |
| Metal panel | $599 | $1,049 | $1,499 | $900 | +16.6% |
| Tile | $824 | $2,074 | $3,323 | $1,800 | +15.2% |
| Slate | $1,099 | $2,224 | $3,348 | $2,000 | +11.2% |
| Flat membrane | $300 | $556 | $812 | $475 | +17.0% |
This page is generated from the 2026 Q3 Index for the BLS metropolitan statistical area "Decatur, IL" (area code 19500). State rank for Illinois: 1 of 51. Methodology.
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Low / typical / high ranges from cited national cost tables, adjusted by local roofer wages (BLS). No email required.
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