
A Tale of Two Counties
Situated in two counties and thriving as one community, Plain City leverages the strengths of Union and Madison Counties to create a business environment that’s both innovative and accessible. Whether you’re seeking cutting-edge industry clusters, streamlined development support, or room to grow, Plain City offers the unique advantage of dual-county opportunity in a single, connected community.

Union County: Innovation & Industry
Union County is Ohio’s fastest-growing county and one of the most economically dynamic areas in the state. Anchored by major employers in automotive manufacturing, corporate services, and smart mobility, the county is home to Honda's North American campus, Scotts Miracle-Gro, multiple R&D operations, and a growing number of logistics and technology firms. Union County boasts top-rated schools, well-equipped infrastructure, and an educated workforce, creating a pipeline of talent for employers of all sizes.
Union County at a Glance
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Population: 71,721
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Median HH Income: $109,506
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Labor Force: 33,840
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Major Employers: Honda North America, Scotts Miracle-Gro, Memorial Health
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Unemployment Rate: 3.7%
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Education: 95% high school graduation rate; 35% bachelor’s degrees or higher

Madison County: Accessibility & Affordability
Madison County features a diverse economic landscape driven by manufacturing, automotive supply, logistics, and R&D, alongside a strong agricultural foundation. Home to major employers such as Stanley Electric, Jefferson Industries, XPO Logistics, and Battelle, the county experiences strong economic stability. Supported by I-70 and I-71, modern infrastructure, and a strategic location, Madison County delivers competitive advantages and a reliable workforce for growing businesses.
Madison County at a Glance
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Population: 45,531
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Median HH Income: $83,229
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Labor Force: 21,232
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Major Employers: Stanley Electric, Battelle, XPO Logistics, Mars, Amazon
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Unemployment Rate: 4.1%
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Education: 88% high school graduation rate; 22% bachelor’s degrees or higher
