Plainfield is a village located in Will County, Illinois. Plainfield has a 2026 population of 50,836. Plainfield is currently growing at a rate of 1.96% annually and its population has increased by 13.04% since the most recent census, which recorded a population of 44,970 in 2020.
The median household income in Plainfield is $144,000 with a poverty rate of 4.16%. The median age in Plainfield is 37.5 years: 36.9 years for males, and 37.7 years for females. For every 100 females there are 100.7 males.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 37.7 years
Male: 36.9 years
There are 33,390 adults, (4,621 of whom are seniors) in Plainfield.
Female: 23,277 (49.8%)
Male: 23,431 (50.2%)
The racial composition of Plainfield includes 68.61% White, 10.57% Asian, 9.93% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 32,046 | 68.61% |
| Asian | 4,936 | 10.57% |
| Black or African American | 4,636 | 9.93% |
| Two or more races | 3,703 | 7.93% |
| Other race | 1,200 | 2.57% |
| Native American | 187 | 0.4% |
Plainfield 's average per capita income is $79,562. Household income levels show a median of $144,000. The poverty rate stands at 4.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $172,289 | - |
| Families | $162,717 | $186,270 |
| Households | $144,000 | $169,555 |
| Non Families | $72,188 | $76,229 |
Average Income
Median Household Income
Poverty Rate