2026 Q3 data
Roof replacement cost in Decatur, IL
Decatur, IL metro area
How much does a new roof cost in Decatur, IL?
$14,500 – $25,500
Typical $20,000 · architectural shingles · 2,000 sq ft home
That is $581 per square (100 sq ft of roof) installed, above the US typical of $500.
How we got this number
An architectural shingle roof in the Decatur, IL metro costs $475 to $687 per square installed (typical $581) on the 2026 Q3 Roof Cost Index: -4.6% against the Illinois figure of $609 and +16.2% against the US typical of $500. Metro rank 13 of 263 (1 = most expensive).
Material is priced nationally; labor is scaled by the local roofer wage. Roofers here earn a mean $34.90/hour (median $35.88, about 60 employed), BLS May 2025. The whole-roof range is for a 2,000 sq ft single-story home (6/12 pitch, one layer torn off, permit and dumpster included). Full methodology.
All materials in Decatur, IL
| Material, per square | Low | Typical | High |
|---|---|---|---|
| Architectural shingles | $475 | $581 | $687 |
| 3-tab shingles | $330 | $417 | $505 |
| Standing seam metal | $1,024 | $1,412 | $1,799 |
| Metal panel | $599 | $1,049 | $1,499 |
| Tile | $824 | $2,074 | $3,323 |
| Slate | $1,099 | $2,224 | $3,348 |
| Flat membrane | $300 | $556 | $812 |
Cost by roof size in Decatur, IL
| Home footprint | Architectural shingles | Standing seam metal |
|---|---|---|
| 1,200 sq ft | $8,860 – $15,766 | $16,973 – $32,176 |
| 1,500 sq ft | $10,980 – $19,408 | $21,121 – $39,920 |
| 2,000 sq ft | $14,513 – $25,477 | $28,035 – $52,826 |
| 2,500 sq ft | $18,046 – $31,547 | $34,948 – $65,733 |
| 3,000 sq ft | $21,580 – $37,616 | $41,862 – $78,639 |
Two-story home? Use the footprint, not the living area. See roof cost by house size.
Quick answers for Decatur
| Search | Answer |
|---|---|
| roof replacement cost Decatur IL | $14,513 to $25,477 for architectural shingles on a 2,000 sq ft home, typical $19,955. |
| new roof cost per square foot Decatur | $4.75 to $6.87 per sq ft of roof installed ($581 per 100 sq ft square, typical). |
| shingle roof cost Decatur | 3-tab $10,950 to $20,990; architectural $14,513 to $25,477 on the same 2,000 sq ft home. |
| metal roof cost Decatur IL | Standing seam $28,035 to $52,826; exposed-fastener metal panel $17,584 to $45,447 on the same home. |
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.
Roofing conditions in Decatur
Housing age. The median home in the Decatur, IL metro was built in 1964, older than the median metro in the Index (1982). 75.3% of homes were built before 1980 and 8.2% in 2000 or later; 70% of occupied homes are owner-occupied. Roof age, not house age, sets the replacement date.
Hail. NOAA's Storm Events database logged 38 county hail reports across the metro's 1 county from 2021 to 2025 (2 in 2021, 2 in 2022, 4 in 2023, 25 in 2024, 5 in 2025), rank 98 of 263 metros. From January 2021 to June 2026, 39 reports were stones of 1 inch or larger, and the largest was 2.5 inches. Most reports came from Macon, Illinois (48). After a hail storm, read the roof insurance claim guide and how hail damages a roof.
Sources: NOAA NCEI Storm Events Database (county hail reports 2021 to June 30, 2026); U.S. Census Bureau ACS 5-year estimates 2020-2024, tables B25035, B25034 and B25003; counties per OMB July 2023 metro definitions.
Decatur roof cost questions
How much does a new roof cost in Decatur, IL?
$14,513 to $25,477 for architectural shingles, typical $19,955, on a 2,000 sq ft single-story home (6/12 pitch, one layer torn off, permit and dumpster included). Steeper pitch, a second layer to tear off, rotten decking or a premium material move the price up.
Is a roof in Decatur more expensive than the rest of Illinois?
The Decatur, IL metro is -4.6% against the Illinois typical and +16.2% against the US typical, rank 13 of 263 metros (1 = most expensive). Material is priced nationally; the difference is the local roofer wage.
How much is a metal roof in Decatur?
Standing seam metal costs $28,035 to $52,826 on a 2,000 sq ft home, typical $40,390. Exposed-fastener metal panel costs $17,584 to $45,447, typical $31,476.
How much do roofers in Decatur charge per square?
An architectural shingle roof costs $475 to $687 per square (100 sq ft of roof) installed (material and labor), typical $581. Tear-off, permit and dumpster are extra; the whole-roof figure above includes them.
How is the Decatur roof cost calculated?
Each material is priced from published national cost tables, and the labor share is scaled by the mean roofer wage in the metro ($34.90/hour, BLS Occupational Employment and Wage Statistics, May 2025). The range is a planning estimate, not a contractor quote.
Other Illinois metros
- Chicago-Naperville-Elgin $628/sq
- Springfield $614/sq
- Peoria $574/sq
- Rockford $560/sq
- St. Louis $538/sq
- Champaign-Urbana $518/sq
- Davenport-Moline-Rock Island $483/sq
Metros with a similar cost
- Atlantic City-Hammonton, NJ $591/sq · rank 10
- San Francisco-Oakland-Fremont, CA $590/sq · rank 11
- Seattle-Tacoma-Bellevue, WA $584/sq · rank 12
- St. Cloud, MN $576/sq · rank 14
- Duluth, MN-WI $574/sq · rank 15
More: how much a new roof costs, every state, the full Index.
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