Joliet, IL Profile: Facts & Data

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Joliet, Illinois - Basic Facts

The City of Joliet is the 3rd largest city in Illinois with a population of 151,671 as of July 1, 2019. Joliet 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 Joliet is located at latitude 41.525 and longitude -88.0817 in Will County. The formal boundaries for the City of Joliet encompass a land area of 62.71 sq. miles and a water area of 0.66 sq. miles. Will County is in the Central time zone (GMT -6). The elevation is 541 feet.

While the primary coordinates for City of Joliet are located in Will County, it should be noted that the formal boundaries for this community also extend into and Kendall County.

The City of Joliet (GNIS ID: 2395477) 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 City of Joliet is located within Township of Joliet, a minor civil division (MCD) of Will County.

Alternate Unofficial Names for Joliet: Juliet.

Jump to... (On This Page!)
  1. Joliet 2019 Demographic Data
  2. Growth Rates for Joliet (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Joliet, IL Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Joliet, IL Housing Affordability Index is 147
State of Illinois Housing Affordability Index is 119
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.

WEALTH INDEX

Joliet, IL Wealth Index is 82
State of Illinois Wealth Index is 105
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

These new demographic attributes are availiable for cities, Counties, ZIP Codes and even neighborhoods (Census Blocks) when you search by a specific Illinois address.

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  2. References & Data Sources page for more information about methodology and sources of data.

POPULATION

Total Population 151,671
Population in Households 148,863
Population in Familes 126,883
Population in Group Qrtrs 2,808
Population Density 2,365
Diversity Index1 75
 

INCOME

Median Household Income $65,943
Average Household Income $81,821
Per Capita Income $26,863
Wealth Index3 82

HOUSING

Total Housing Units 52,910 (100%)
Owner Occupied HU 36,354 (68.7%)
Renter Occupied HU 12,810 (24.2%)
Vacant Housing Units 3,746 ( 7.1%)
Median Home Value $181,393
Housing Affordability Index2 147
 

HOUSEHOLDS

Total Households 49,164
Average Household Size 3.03
Family Households 35,213
Average Family Size 4
NOTES
  1. 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.
  2. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  3. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 0.33% 0.39%
Households 0.28% 0.37%
Families 0.12% 0.28%
Median Household Income   2.73%
Per Capita Income   2.64%

Joliet, IL - Peer Comparisons by Rank and Percentile

The table below compares Joliet to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2019 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 # 3 100th
Population Density # 190 86th
Diversity Index # 46 97th
Median Household Income # 458 67th
Per Capita Income # 856 38th

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

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