Insulation Cost in Illinois (2026)
Compare insulation costs across 3 cities in Illinois. Prices range from $3,800 in Aurora to $4,300 in Naperville.
State average
$4,100
Range
$3,800 – $4,300
Cities tracked
3
City comparison
| City | Avg cost | Budget range | High-end range | vs state avg |
|---|---|---|---|---|
| Naperville, IL | $4,300 | $1,100–$1,300 | $9,900–$12,600 | +5% |
| Chicago, IL | $4,200 | $1,100–$1,300 | $9,600–$12,300 | +2% |
| Aurora, IL | $3,800 | $1,000–$1,200 | $8,700–$11,200 | -7% |
Explore each city
Naperville, IL
Avg: $4,300 · $1,100–$12,600
Chicago, IL
Avg: $4,200 · $1,100–$12,300
Aurora, IL
Avg: $3,800 · $1,000–$11,200
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Frequently asked questions
The average insulation in Illinois costs $4,100. Prices range from $3,800 in Aurora to $4,300 in Naperville. Costs vary by city due to differences in labor rates, material availability, and local code requirements.