Ballpark Lab

Pool Cost Calculator / Illinois

Illinois pool estimate

Inground Pool Cost in Illinois (2026)

Building an inground pool in Illinois runs roughly 5% above the national average on labor and materials, which we apply to the pool shell. With about a 8-month swim season and residential power around 16¢/kWh, where you live shapes both the build price and what it costs to run.

A typical 400 sq ft gunite pool in Illinois

20 ft × 20 ft, 5 ft average depth, standard (flat) excavation, no add-ons — a clean baseline before you customize.

Estimated all-in cost
$43k – $58k
Footprint
400 sq ft
Base shell
$50,200
Equipment + finish + dig
Midpoint
$50,200
Local labor
105%
vs. national baseline (100%)
  • Estimate for pre-qualification, not a quote; price varies by contractor, location, and season.

Last updated June 30, 2026

Gunite vs. fiberglass vs. vinyl in Illinois

Same 400 sq ft pool, priced three ways with Illinois's labor rates.

Gunite (concrete)
$43k – $58k
Fiberglass
$40k – $54k
Vinyl liner
$29k – $40k

Estimate your pool in Illinois

Tell us about your pool

ft
ft
Estimated total cost
$55,968–$75,721
Build: 8–12 weeks
Low $56kMost likely ~$65,844High $76k
WHERE THE MONEY GOES · at ~$65,844
Shell & construction
$57,256
Excavation
$8,588
Then budget $1,800–$3,600/yr to run it.Upkeep costs →
iEstimate for pre-qualification, not a quote; price varies by contractor, location, and season.
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Sketch the shape on your actual yard and we'll size it to real square footage.

Already have a pool? Running costs in Illinois hinge on the same local power price — see monthly maintenance and heating costs. Or head back to the national pool cost calculator.