Plainfield, IL Demographics

The total population of Plainfield is estimated to be 44,941 with 22,533 males (50.14%) and 22,408 females (49.86%). There are 125 less females than males in Plainfield.
The median household income in Plainfield was $145,722 in 2021, which marked an a decrease of 2,993(2.01%) from $148,715 in 2020. This income is 195.32% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Plainfield sees its highest median household income among householders in the age group of 45 to 64 years old, at $163,892. Overall, the median household income for the village of Plainfield stands at $145,722.
In Plainfield, the median income for all workers aged 15 years and older, regardless of work hours, was $80,855 for males and $41,339 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $108,881 for males and $71,557 for females.
In Plainfield, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $165,396, while Some Other Race households represent the opposite end with the lowest median household income of $121,677.
In 2022, the population of Plainfield was 46,243, a 1.46% increase year-by-year from 2021. Previously, in 2021, Plainfield's population was 45,577, an increase of 1.42% compared to a population of 44,937 in 2020.
The median age in Plainfield, IL is 37.3, as per 2021 ACS 5-Year Estimates. Of the total population, 24.39% were under the age of 15, 18.21% aged 15 to 29, 48.16% aged 30 to 64, 7.98% aged 65 to 84, and 1.26% were 85 years of age and older.
Racial distribution of Plainfield population: 74.28% are White, 8.32% are Black or African American, 0.37% are American Indian and Alaska Native, 9.46% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 2.20% are some other race and 5.31% are multiracial.