Plainfield, IN demographics:
population, income, and more

Total population
36,369
1.6% year-over-year change
Median household income
$87,272/yr
2.6% year-over-year change
Housing units
13,359
0.7% year-over-year change

Plainfield population

How many people live in Plainfield

Plainfield is home to 36,369 residents, according to the most recent Census data. Gender-wise, 55.5% of Plainfield locals are male, and 44.5% are female.

Total population
36,369
1.6% year-over-year change
Gender ratio
Male
55.5%
20,179
Female
44.5%
16,190
Value Percent YoY change
Male 20,179 55.5% 3.4%
Female 16,190 44.5% -0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Plainfield is 38, with the population distributed as follows: about 16.1% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 31.7% of the population, while another 22.5% fall into the 45 to 64 bracket. Finally, around 16% are 65 or older.

Median age
38.4
Age breakdown
Under 15
16.1%
15 to 24
13.8%
25 to 44
31.7%
45 to 64
22.5%
Over 65
16%
Value Percent YoY change
Under 15 5,841 16.1% -6.6%
15 to 24 5,001 13.8% 6.0%
25 to 44 11,520 31.7% 0.9%
45 to 64 8,181 22.5% 5.1%
Over 65 5,826 16% 3.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Plainfield, 88.7% of the population are US-born citizens, while 7.1% have gained naturalized citizenship. At the same time, 4.2% of residents are non-citizens. As for race, 70.8% of locals are Caucasian, 11.8% are African American and 6.6% have Asian roots. There’s also a share of 8.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
88.7%
Non-U.S.-born citizens
7.1%
Non-citizens
4.2%
Value Percent YoY change
U.S.-born citizens 32,263 88.7% 1.0%
Non-U.S.-born citizens 2,589 7.1% 11.4%
Non-citizens 1,517 4.2% -0.1%
Racial breakdown
White
70.8%
Black or African American
11.8%
American Indian and Alaska Native
0.9%
Asian
6.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.7%
Other
1.3%
Value Percent
White 25,748 70.8%
Black or African American 4,285 11.8%
American Indian and Alaska Native 315 0.9%
Asian 2,407 6.6%
Two or more races 3,155 8.7%
Other 459 1.3%

Households in Plainfield

A peek inside Plainfield households

Plainfield has 12,809 households, with an average of 3 members in each. Of these, 65.7% are families, while the remaining 34.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
12,809
0.2% year-over-year change
Average people per household
3
Non-family households
4,392
Family households
8,417
Value Percent YoY change
Non-family households 4,392 34.3% 1.2%
Family households 8,417 65.7% -0.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Plainfield

The housing landscape of Plainfield

Plainfield's housing consists of 13,359 units, with 64% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.6% of the housing landscape.

Housing units
13,359
0.7% year-over-year change
Housing types
Value Percent
1 unit, detached 8,551 64%
1 unit, attached 867 6.5%
2 units 271 2%
3 or 4 units 504 3.8%
5 to 9 units 791 5.9%
10 to 19 units 1,129 8.4%
20 to 49 units 348 2.6%
50 or more units 552 4.1%
Mobile home 346 2.6%
Homes built since 2020
768
37.6% year-over-year change

The age of buildings in Plainfield

In Plainfield, the median construction year is 2000. About 2.9% of homes were built before the 1940s, with another 1.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 24.1% of homes were added from 2000 to 2009, 20.3% between 2010 and 2019, and 5.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 391 2.9% -1.5%
Built between 1940 and 1949 232 1.7% -19.4%
Built between 1950 and 1959 1,081 8.1% -14.0%
Built between 1960 and 1969 979 7.3% 3.7%
Built between 1970 and 1979 1,090 8.2% -9.8%
Built between 1980 and 1989 1,362 10.2% 1.1%
Built between 1990 and 1999 1,517 11.4% 3.8%
Built between 2000 and 2009 3,223 24.1% -5.2%
Built between 2010 and 2019 2,716 20.3% 12.6%
Built in 2020 or later 768 5.8% 37.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Plainfield occupancy rates

Out of the 12,809 occupied housing units in Plainfield, 62.4% are owner-occupied, while 37.6% are lived in by tenants. Meanwhile, 4.1% of all homes on the local market sit vacant.

Occupied housing units
12,809
0.2% year-over-year change
Occupancy breakdown
Renter occupied
4,823
Owner occupied
7,986
Value Percent YoY
change
Renter occupied 4,823 37.6% 3.9%
Owner occupied 7,986 62.4% -1.9%
Unoccupied housing units
4.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Plainfield housing costs

Housing costs in Plainfield come to a median of $1,323 per month, while tenants specifically pay a median gross rent of $1,499.

Median housing costs per month
$1,323/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Plainfield
$1,499/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Plainfield

Plainfield education at a glance

About 43% of the population in Plainfield went to high school, while 17.6% pursued college studies. Another 5.9% earned an associate degree and 20.2% hold a bachelor’s. Meanwhile, 10.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 918 3.2% 0.8%
High school diploma 12,460 43% 5.2%
College diploma 5,107 17.6% -1.7%
Associate degree 1,706 5.9% 8.2%
Bachelor's degree 5,840 20.2% 6.2%
Graduate degree 2,938 10.1% -7.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Plainfield

How much people earn in Plainfield

The average annual household income in Plainfield was $104,254 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.4% change from the previous year. At the same time, the median income stood at $87,272, reflecting a +2.6% shift over the same period.

Average household income in Plainfield
$104,254/year
-3.4% year-over-year change
Median household income in Plainfield
$87,272/year
2.6% year-over-year change

Plainfield income by age

In Plainfield, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $94,651. Those with someone between 45 and 64 in charge, often well established professionally, earn $109,674 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $63,139, while those led by someone over 65, many of whom may be retired, have about $63,321 in earnings. Overall, 91.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $63,139 -4.3%
25 - 44 $94,651 -3.2%
45 - 64 $109,674 1.6%
Over 65 $63,321 7.6%
Above poverty level
29,312
Below poverty level
2,601
Value Percent YoY
change
Above poverty level 29,312 91.8% -3.3%
Below poverty level 2,601 8.2% 25.1%

Average renter income in Plainfield

To get a better sense of what renters earn on average in Plainfield, their median household income was $60,338 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 29.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$60,338
Rent-to-income ratio
29.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Plainfield

Workforce and job types in Plainfield

The job market in Plainfield is powered by 17,276 working residents, spread across a range of industries and roles. 71.8% of the working population are employed in professional or administrative positions, while 28.2% are in hands-on or service-based jobs. Also, 4.3% run their own businesses, 72.5% are employed by private companies, and 12.5% work in the public sector.

Workforce demographics

Working population
17,276
-0.2% year-over-year change
White collar
12,395
Blue collar
4,881
Value Percent YoY change
White collar 12,395 71.8% -2.6%
Blue collar 4,881 28.2% 6.2%
Employer type
Self employees
4.3%
Private companies
72.5%
Governmental workers
12.5%
Not for profit companies
10.7%
Value Percent YoY change
Self employees 737 4.3% -10.3%
Private companies 12,530 72.5% -0.0%
Governmental workers 2,154 12.5% -6.6%
Not for profit companies 1,855 10.7% 11.9%
Unemployment rate
3.6%
19.7% year-over-year change

Available workforce

The unemployment rate in Plainfield stands at 3.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Plainfield

How people get around in Plainfield

Commuting methods vary: 82.3% of residents travel by personal vehicle and 1.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 14,016 82.3% -1.0%
Taxicab 48 0.3% N/A
Bus or trolleybus 61 0.4% -4.7%
Motorcycle 7 0% 0.0%
Bicycle 54 0.3% 12.5%
Walk 183 1.1% -23.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Plainfield by zipcode?

Zipcode Population Number of households Median income Average income
46168 38,826 13,822 $90,000 $107,109

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FAQs about Plainfield demographics 

What is the total population of Plainfield?

Plainfield has a total population of 36,369 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.6% compared to a year ago.

What is the gender ratio in Plainfield?

The gender ratio in Plainfield is as follows:
  • 55.5% males (20,179 residents)
  • 44.5% females (16,190 residents)

What is the median age in Plainfield?

The median age in Plainfield is 38.4.

What is the age distribution of the population in Plainfield?

The age distribution in Plainfield is as follows:
  • Under 15: 16.1% (5,841 residents)
  • Ages 15-24: 13.8% (5,001 residents)
  • Ages 25-44: 31.7% (11,520 residents)
  • Ages 45-64: 22.5% (8,181 residents)
  • Over 65: 16% (5,826 residents)

What is the racial and ethnic makeup of Plainfield?

The racial and ethnic makeup of Plainfield is as follows:
  • White: 70.8% (25,748 residents)
  • Black or African American: 11.8% (4,285 residents)
  • American Indian and Alaska Native: 0.9% (315 residents)
  • Asian: 6.6% (2,407 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 8.7% (3,155 residents)
  • Other: 1.3% (459 residents)

What percentage of the population in Plainfield are U.S.-born citizens?

U.S.-born citizens represent 88.7% of the population in Plainfield.

How many housing units are there in Plainfield?

There are 13,359 housing units in Plainfield, reflecting a +0.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Plainfield and what is the average household size?

Plainfield has a total of 12,809 households, with an average of 3 people in each.

What is the median household income in Plainfield?

Plainfield has a median household income of $87,272, representing a +2.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Plainfield?

The employment rate is 96.4% in Plainfield, with a workforce of 17,276 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.8% (12,395 residents)
  • Blue-collar workers: 28.2% (4,881 residents)

Places of employment:
  • Self-employed: 4.3% (737 residents)
  • Private companies: 72.5% (12,530 residents)
  • Governmental workers: 12.5% (2,154 residents)
  • Not-for-profit companies: 10.7% (1,855 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025