Plainfield, IL Profile: Facts, Map & Data


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Plainfield, Illinois - Basic Facts

The Village of Plainfield had a population of 43,053 as of July 1, 2018. Plainfield ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Plainfield is located at latitude 41.6305 and longitude -88.245 in Will County. The formal boundaries for the Village of Plainfield (see map below) encompass a land area of 23.32 sq. miles and a water area of 0.98 sq. miles. Will County is in the Central time zone (GMT -6). The elevation is 610 feet.

The Village of Plainfield (GNIS ID: 2399684) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Plainfield is located within Township of Plainfield, a minor civil division (MCD) of Will County.

Beneath the boundary map are tables with Plainfield population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Plainfield: Walkers Grove.

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Village of Plainfield, IL Boundary Map

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Boundary Maps: Township of Plainfield | Will County | Illinois Counties

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Plainfield, IL Data & Demographics (As of July 1, 2018)


Total Population 43,053
Population in Households 42,942
Population in Familes 39,869
Population in Group Qrtrs 111
Population Density2 1,846
Diversity Index3 53


Median Household Income $112,110
Average Household Income $131,490
Per Capita Income $39,778


Total Housing Units 13,286 (100%)
Owner Occupied HU 11,594 (87.3%)
Renter Occupied HU 1,323 ( 10.0%)
Vacant Housing Units 369 ( 2.8%)
Median Home Value $310,043
Average Home Value $335,181


Total Households 12,917
Average Household Size 3.32
Family Households 10,880
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.06% 1.25%
Households 1.01% 1.23%
Families 0.87% 1.16%
Median Household Income   1.06%
Per Capita Income   2.04%

Plainfield, IL - Peer Comparisons by Rank and Percentile

The table below compares Plainfield to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 37 97th
Population Density # 323 76th
Diversity Index # 169 88th
Median Household Income # 47 97th
Per Capita Income # 156 89th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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