Lake Forest, IL Profile: Facts & Data

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Lake Forest, Illinois - Basic Facts

The City of Lake Forest had a population of 19,320 as of July 1, 2019.

The primary coordinate point for Lake Forest is located at latitude 42.2586 and longitude -87.8406 in Lake County. The formal boundaries for the City of Lake Forest encompass a land area of 17.19 sq. miles and a water area of 0.07 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 686 feet.

The City of Lake Forest (GNIS ID: 2395590) 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 Lake Forest is located within Township of Shields, a minor civil division (MCD) of Lake County.


Jump to... (On This Page!)
  1. Lake Forest 2019 Demographic Data
  2. Growth Rates for Lake Forest (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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Lake Forest, IL Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Lake Forest, IL Housing Affordability Index is 101
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

Lake Forest, IL Wealth Index is 398
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 Neighborhoods, Cities, Counties, and ZIP Codes.

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  1. For information about schools and school attendance zones, use the HTL Address Tool
  2. Our new HTL Neighborhood Explorer provides lots of detail about any neighborhood.
  3. The new 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  4. See the References & Data Sources page for more information about methodology and sources of data.
  5. See the Illinois COVID-19 Data and US COVID-19 Data for more information on the spread of the novel coronavirus.

POPULATION

Total Population 19,320
Population in Households 18,205
Population in Families 16,236
Population in Group Qrtrs 1,115
Population Density 1,123
Diversity Index1 25
 

INCOME

Median Household Income $185,594
Average Household Income $250,655
Per Capita Income $90,750
Wealth Index3 398

HOUSING

Total Housing Units 7,645 (100%)
Owner Occupied HU 5,800 (75.9%)
Renter Occupied HU 1,133 (14.8%)
Vacant Housing Units 712 ( 9.3%)
Median Home Value $903,571
Housing Affordability Index2 101
 

HOUSEHOLDS

Total Households 6,933
Average Household Size 2.63
Family Households 5,253
Average Family Size 3
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 -0.03% -0.12%
Households 0.27% 0.0%
Families 0.01% -0.11%
Median Household Income   0.34%
Per Capita Income   1.0%

Lake Forest, IL - Peer Comparisons by Rank and Percentile

The table below compares Lake Forest 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 # 126 91st
Population Density # 670 51st
Diversity Index # 421 69th
Median Household Income # 8 99th
Per Capita Income # 4 100th

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

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