Looking for a modular home builder in Keithsburg, IL? Describe your project once and up to three modular home builders who work in Keithsburg and Mercer County get back to you with a quote. It's free and there is no obligation.
Keithsburg is home to about 545 people (2024 Census Bureau estimate), a stable community (−0.4% since 2020). With 213 people per sq mi, it is a semi-rural area. Rural lots and replacements of older homes here are good fits for modular construction.
Keithsburg at a glance
- Population (Census Bureau estimate, 2024)
- 545 (−0.4% since 2020)
- Rank in Illinois
- 829th of 1,294 cities and towns
- Land area
- 2.6 sq mi
- Population density
- 213 people per sq mi (semi-rural)
- Type
- City (Keithsburg city)
- Main county
- Mercer County
What to check before hiring in Keithsburg
- 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 Keithsburg
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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 Keithsburg
How much does a modular home cost in Keithsburg, IL?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Keithsburg 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 Keithsburg 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.