Plainfield, IL
Population 45,705 · Illinois
About Plainfield, IL
Plainfield is a mid-sized city in Illinois with a population of 45,705 residents. The median household income is $142,265 per year, which is above the national average. The median age in Plainfield is 37.3 years.
Housing in Plainfield has a median home value of $398,000 and median monthly rent of $1,889. Of the 14,499 total housing units, the majority are owner-occupied, with 12,596 owner-occupied and 1,609 renter-occupied units.
The unemployment rate in Plainfield is 3.7% and the poverty rate is 4.1%. 54.9% of residents hold a bachelor's degree or higher. The average commute time is 34.1 minutes.
How Plainfield Ranks in Illinois
Cost of Living in Plainfield, IL
Compared to national averages, Plainfield has a median household income of $142,265 (89% above the national median of $75,149). Home values average $398,000, which is 63% above the national median. Monthly rent at $1,889 is 62% above the US average of $1,163. Within Illinois, Plainfield's income is 90% above the state average of $75,072, and home values are 140% above the state median of $165,779.
Why Live in Plainfield, IL?
Plainfield offers a strong local economy with a median household income of $142,265, well above the national average, and a well-educated community where 54.9% of residents hold a bachelor’s degree or higher, and a low poverty rate of 4.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $398,000. However, Plainfield’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Plainfield has a population of 45,705 with a median age of 37.3 years. Compare Plainfield with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Plainfield
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Elmhurst | 45,538 | $145,374 | $532,800 | Compare |
| Glenview | 47,682 | $138,758 | $598,800 | Compare |
| Lombard | 43,722 | $97,253 | $321,200 | Compare |
| Buffalo Grove | 42,824 | $129,820 | $392,900 | Compare |
| Moline | 42,235 | $63,959 | $141,900 | Compare |
| Belleville | 41,722 | $60,529 | $131,000 | Compare |
| Downers Grove | 49,867 | $119,649 | $439,000 | Compare |
| Romeoville | 40,996 | $100,022 | $245,200 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Plainfield
What is the population of Plainfield, IL?
The population of Plainfield, IL is 45,705 according to the latest Census data.
What is the median household income in Plainfield?
The median household income in Plainfield, IL is $142,265 per year.
What is the median home value in Plainfield?
The median home value in Plainfield, IL is $398,000.
What is the average rent in Plainfield?
The median monthly rent in Plainfield, IL is $1,889.
What is the unemployment rate in Plainfield?
The unemployment rate in Plainfield, IL is 3.7%.