Looking for a pool builder in Gillespie, IL? Describe your project once and up to three licensed pool builders who work in Gillespie and Macoupin County get back to you with a quote. It's free and there is no obligation.
Gillespie is home to about 3,087 people (2024 Census Bureau estimate), a shrinking community (−2.7% since 2020). With 2,079 people per sq mi, it is a suburban area. Long summers and backyard living make pools a frequent project here.
Gillespie at a glance
- Population (Census Bureau estimate, 2024)
- 3,087 (−2.7% since 2020)
- Rank in Illinois
- 411th of 1,294 cities and towns
- Land area
- 1.5 sq mi
- Population density
- 2,079 people per sq mi (suburban)
- Type
- City (Gillespie city)
- Main county
- Macoupin County
What to check before hiring in Gillespie
- License and permit: in Illinois, check the builder's license and the pool permit.
- Barrier: plan the fence and gates required by code.
- HOA: check HOA rules before signing.
- Price drivers: size, type, finish, equipment, deck and access.
Useful official resources
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Pool Safely (CPSC)
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Gillespie
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In-ground pool construction
Design and construction of an in-ground pool with equipment, permit and barrier.
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Pool renovation
Resurfacing, tile, equipment and deck renovation of an existing pool.
Frequently asked questions in Gillespie
How much does a pool cost in Gillespie, IL?
It depends on type, size, finishes and access. Describe your project: builders who serve Gillespie reply with a quote.
When should I start?
Off-season planning often gets earlier construction dates.
Does a pool add value?
It depends on the market; in warm areas buyers often expect one.
Which licensed pool builders will contact me?
Up to three independent licensed pool builders who serve Gillespie and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.