Looking for a modular home builder in Lake Forest, IL? Describe your project once and up to three modular home builders who work in Lake Forest and Lake County get back to you with a quote. It's free and there is no obligation.
Lake Forest is home to about 19,642 people (2024 Census Bureau estimate), a growing community (+1.4% since 2020). With 1,142 people per sq mi, it is a suburban area. Rural lots and replacements of older homes here are good fits for modular construction.
Lake Forest at a glance
- Population (Census Bureau estimate, 2024)
- 19,642 (+1.4% since 2020)
- Rank in Illinois
- 125th of 1,294 cities and towns
- Land area
- 17 sq mi
- Population density
- 1,142 people per sq mi (suburban)
- Type
- City (Lake Forest city)
- Main county
- Lake County
What to check before hiring in Lake Forest
- Code: in Illinois, modular homes are built to the state or local building code.
- Site work: foundation, utilities, crane access and finishes must be in the quote.
- Access: delivery trucks and cranes need road and lot access.
- Price drivers: size, finishes, transport distance and site work.
Useful official resources
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Modular Home Builders Association
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Lake Forest
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Modular home
Factory-built modular home delivered and set on a site-built foundation, with finish work.
Frequently asked questions in Lake Forest
How much does a modular home cost in Lake Forest, IL?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Lake Forest reply with a quote.
How long does it take?
Often a few months from order to move-in.
Can I customize the design?
Most modular builders offer customizable plans.
Which modular home builders will contact me?
Up to three independent modular home builders who serve Lake Forest 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.