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Plainfield, Illinois

village · Will County (primary) , Jasper County, Kendall County

At a glance

46,708
Population
$431,400
Median home value (all homes)
42% above U.S. median
$432,279
Typical market value
Zillow, 2026-07
$2,119/mo
Median rent
57% above U.S. median
$144,000
Median household income
83% above U.S. median
33.3 min
Average commute
96.7%
Homes with broadband
93.74%
Locations with fiber available
3.8%
Unemployment

Cost of living (Clay Affordability Index)

CAI 120 — 20% above the national average. how it's computed

Housing60% above
Goods & services4% above
Utilities7% above
Taxes9% above
Insurance18% below
Commute cost20% above
For business: Illinois is CBII band 3/5 · time to build band 2/5. See state page for the breakdown.

Living here

Nearest 4-year college6 mi
Nearest community college8 mi
Nearest technical college5 mi
High school graduates96%
College graduates56%

Doing business here

Economic development contacts, most local first:

city Plainfield
state Ameren Economic Development Services
Ameren provides energy services in Illinois and Missouri, including energy efficiency programs, electric vehicles, renewables, and economic development resources for businesses.
state Illinois Department of Commerce & Economic Opportunity
The Illinois Department of Commerce and Economic Opportunity (DCEO) is the state's commerce department focused on creating equitable economic opportunities by attracting and supporting job creators, investing in communities, strengthening Illinois’ workforce, fostering innovation, and advancing the clean energy economy.
state Illinois Valley Area Chamber of Commerce & Eco Dev
Illinois Valley Area Chamber of Commerce & Economic Development is a regional economic development organization with a focus on business retention and expansion for both small businesses and large industrial corporations.
state NW Illinois Economic Development
NW Illinois Economic Development (NWILED) promotes economic development by fostering business growth and assisting expanding and relocating businesses, providing access to resources to start and grow their businesses, and coordinating with government and business partners.
state Northwest Illinois Development Alliance
NW Illinois Economic Development (NWILED) promotes economic development by fostering business growth and assisting expanding and relocating businesses in cooperation with government and business partners. It supports entrepreneurs by providing access to resources to start and grow their businesses and aims to create a welcoming business environment by matching the skills of the available workforce with business needs.
state Quad Cities First
Community development organization focused on local business growth; the Quad Cities Chamber helps members connect, collaborate and grow, advocates for business at city halls, in state legislatures and in Washington, D.C., and supports small and minority business development.
state Research Park at University of Illinois
Research Park is a leading technology hub on the University of Illinois campus that cultivates startups and accelerates corporate innovation. It hosts 120+ companies and over 2,000 affiliated employees, with EnterpriseWorks serving as the incubator for early-stage tech firms.
state Southwestern Illinois Development Authority
The Southwestern Illinois Development Authority (SWIDA) is a quasi-governmental, municipal corporation created by the Illinois General Assembly in 1987 to promote and enhance community and economic development in Bond, Clinton, Madison and St. Clair counties. It operates without tax dollars and uses bonds and other financing tools, real estate development services and technical development assistance.
State sales taxYes
State income taxYes
Right-to-work stateNo

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