Plainfield village, Illinois Demographics & Population 2026

Population Overview

Plainfield village is a mid-sized community located in Illinois. The total population is 45,705. It ranks as the 32nd most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Plainfield village is 37.3 years. This is 4% lower than the state median of 38.9 years. With 29.8% of the population under 18, Plainfield village has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Plainfield village is $142,265. This is 74% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 81% higher. The poverty rate stands at 4.1%. This is 65% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.7%. This is 37% lower than the state rate of 5.8%. The median home value is $398,000. Housing costs are 59% higher than the state median of $250,500. With a home-value-to-income ratio of just 2.8x, Plainfield village is one of the most affordable housing markets in the area. 88.7% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Plainfield village is White (non-Hispanic), making up 68.8% of the population. Hispanic or Latino residents account for 10.0%. The Asian population is significantly higher than the state average (9.3% vs 5.8%).

Education

54.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Plainfield village in the top 10% of all cities in the state for educational attainment. This is 48% higher than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.4%. Notably, 18.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Plainfield village, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. For official data, visit data.census.gov.