Plainfield, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Plainfield, Indiana had a total population of 36,369, the 27th largest town in Indiana, with a median household income of $87,272, which is 21% higher than the state average. The poverty rate is 8.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Plainfield Quick Facts
How Plainfield Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 35,783 | 36,369 | +1.6% |
| Median household income | $85,074 | $87,272 | +2.6% |
| Median home value | $263,900 | $280,600 | +6.3% |
How Plainfield Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Plainfield Rankings in Indiana
Explore Indiana Rankings
Other Cities in Hendricks County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Brownsburg | 31,215 | $102,235 | 7.5% | $309,400 |
| Avon | 23,437 | $98,486 | 5.7% | $323,800 |
| Danville | 11,714 | $97,083 | 3.5% | $298,200 |
| Pittsboro | 4,156 | $126,023 | 0.4% | $312,800 |
| Jamestown | 1,107 | $71,048 | 7.0% | $176,300 |
| Clayton | 818 | $82,188 | 3.9% | $229,300 |
| North Salem | 741 | $68,214 | 2.6% | $186,500 |
| Coatesville | 566 | $77,625 | 6.9% | $180,400 |
| Lizton | 543 | $94,844 | 0.9% | $191,800 |
| Amo | 417 | $91,250 | 9.1% | $168,100 |
Cities Similar to Plainfield
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Portage | 38,082 | $76,276 | $224,200 | 18.4% | 11.6% |
| Merrillville | 36,476 | $67,587 | $211,400 | 26.1% | 12.6% |
| Crown Point | 34,393 | $101,686 | $294,800 | 34.6% | 6.9% |
| Valparaiso | 34,733 | $69,872 | $267,300 | 40.6% | 14.9% |
| Schererville | 29,701 | $89,466 | $314,900 | 34.4% | 7.7% |
Population Overview
Plainfield is a mid-sized community located in Indiana, within Hendricks County. The total population is 36,369. It ranks as the 27th most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Plainfield is 38.4 years. This is about the same as the state median of 38.1 years.
Economy, Income & Housing
The median household income in Plainfield is $87,272. This is 21% higher than the state median of $71,957. It is also 8% higher than the national median of $80,734. The poverty rate stands at 8.1%. This is 35% lower than the state poverty rate of 12.3%. The unemployment rate is 3.6%. This is 16% lower than the state rate of 4.3%. The median home value is $280,600. Housing costs are 29% higher than the state median of $218,200. The home-value-to-income ratio is 3.2x. 62.4% of occupied housing units are owner-occupied. This homeownership rate is 12% lower than the state average of 70.5%.
Race & Ethnicity
The largest racial or ethnic group in Plainfield is White (non-Hispanic), making up 70.0% of the population. Black or African American residents account for 11.7%. The Asian population is significantly higher than the state average (6.6% vs 2.6%).
Education
32.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% higher than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.4%.
Data Sources & Methodology
All demographic data for Plainfield, Indiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Plainfield, Indiana?
Plainfield, Indiana has a population of 36,369 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Plainfield, IN?
The median household income in Plainfield is $87,272, which is 8% higher than the national median of $80,734.
What is the poverty rate in Plainfield, IN?
The poverty rate in Plainfield is 8.1%. This means approximately 2,601 residents live below the federal poverty line.
What is the racial makeup of Plainfield, Indiana?
Plainfield's population is 70.0% White, 11.7% Black, 6.6% Hispanic/Latino, and 6.6% Asian.
What is the median home value in Plainfield, IN?
The median home value in Plainfield is $280,600. The home-value-to-income ratio is 3.2x.
How educated is Plainfield, Indiana?
32.7% of adults (25+) in Plainfield hold a bachelor's degree or higher, and 11.4% hold a graduate or professional degree.