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Census and Demographic Data

1980 & 1990 Census ] 2000 Census ] 2010 Census ]

The decennial census occurs every 10 years, in the years ending in "0," to count the population and housing units for the entire United States. Its primary purpose is to provide the population counts that determine how seats in the U.S. House of Representatives are apportioned. Census figures also are required to draw congressional and state legislative district boundaries, to allocate federal and state funds, to formulate public policy, and to assist with planning and decision-making in the private sector.

The decennial census uses both short- and long-form questionnaires to gather information. The short form asks a limited number of basic questions. These questions are asked of all people and housing units, and are often referred to as 100-percent questions because they are asked of the entire population. The long form asks more detailed information from approximately a 1-in-6 sample, and includes the 100-percent questions as well as questions on education, employment, income, ancestry, homeowner costs, units in a structure, number of rooms, plumbing facilities, etc.


HISTORICAL POPULATION FIGURES AND HOUSING COUNTS (1860-2000)


LAKE FOREST DEMOGRAPHICS

American Community Survey
Three Year Estimates

Beginning in 2008, three year demographic estimates (based on data collected in three consecutive years) for Lake Forest are available from the American Community Survey (ACS).  

The 2005-2007 ACS three-year estimates are based on data collected between January 2005 and December 2007.

  • Published for selected geographic areas with populations of 20,000 or greater
  • Represent the average characteristics over the 3-year period of time
  • Have larger sample size which could skew 
  • Are less current than the one-year estimates

NOTE. Although the American Community Survey (ACS) produces population, demographic and housing unit estimates, it is the Census Bureau's Population Estimates Program that produces and disseminates the official estimates of the population for the nation, states, counties, cities and towns and estimates of housing units for states and counties.

For more information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology.

 


Population and Housing Narrative Profile: 2005-2007

HOUSEHOLDS AND FAMILIES:
From 2005-2007 there were 6,700 households in The City of Lake Forest. The average household size was 2.8 people.

Families made up 78% of the households in The City of Lake Forest. This figure includes both married-couple families (72%) and other families (6%). Nonfamily households made up 22% of all households in The City of Lake Forest . Most of the nonfamily households were people living alone, but some were composed of people living in households in which no one was related to the householder.


GEOGRAPHIC MOBILITY:
From 2005-2007, 91% of the people at least one year old living in The City of Lake Forest  were living in the same residence one year earlier; 5% had moved during the past year from another residence in the same county, 1% from another county in the same state, 3% from another state, and 1% from abroad.


EDUCATION:
From 2005-2007, 99% of people 25 years and over had at least graduated from high school and 74% had a bachelor's degree or higher. One percent were dropouts; they were not enrolled in school and had not graduated from high school.

The total school enrollment in The City of Lake Forest was 7,000 from 2005-2007. Nursery school and kindergarten enrollment was 530 and elementary or high school enrollment was 4,300 children. College or graduate school enrollment was 2,200.


DISABILITY:
In The City of Lake Forest , among people at least five years old from 2005-2007, 7% reported a disability. The likelihood of having a disability varied by age - from 3% of people 5 to 15 years old, to 4% of people 16 to 64 years old, and to 26% of those 65 and older.


INDUSTRIES:
From 2005-2007, for the employed population 16 years and older, the leading industries in The City of Lake Forest were finance and insurance, and real estate and rental and leasing, 20%, and educational services, and health care, and social assistance, 19%.


OCCUPATIONS AND TYPE OF EMPLOYER:
Among the most common occupations were: management, professional, and related occupations, 58%; sales and office occupations, 30%; service occupations, 7%; production, transportation, and material moving occupations, 3%; and construction, extraction, maintenance and repair occupations, 2%. Eighty-six percent of the people employed were private wage and salary workers; 4% was federal, state, or local government workers; and 9% was self-employed in own not incorporated business workers.


TRAVEL TO WORK:
Sixty-nine percent of The City of Lake Forest  workers drove to work alone from 2005-2007, 5% carpooled, 10% took public transportation, and 6% used other means. The remaining 10% worked at home. Among those who commuted to work, it took them on average 31.5 minutes to get to work.


INCOME:
The median income of households in The City of Lake Forest was $150,670. Eighty-one percent of the households received earnings and 18% received retirement income other than Social Security. Thirty-two percent of the households received Social Security. The average income from Social Security was $19,390. These income sources are not mutually exclusive; that is, some households received income from more than one source.


HOUSING CHARACTERISTICS:
From 2005-2007, The City of Lake Forest had a total of 7,300 housing units, 7% of which were vacant. Of the total housing units, 87% was in single-unit structures, 13% was in multi-unit structures, and less than 0.5% was mobile homes. Twenty-five percent of the housing units were built since 1990.


OCCUPIED HOUSING UNIT CHARACTERISTICS:
From 2005-2007, The City of Lake Forest  had 6,700 occupied housing units - 6,100 (91%) owner occupied and 610 (9%) renter occupied. One percent of the households did not have telephone service and 3% of the households did not have access to a car, truck, or van for private use. Multi vehicle households were not rare. Fifty-three percent had two vehicles and another 25% had three or more.

 


Other Lake Forest Census Data:

Historical Population Figures and Housing Totals


Year 

Total  Population 

Total Housing Units 

1860 300  
1870 800  
1880 1,000  
1890 1,750  
1900 2,215  
1910 3,300  
1920 3,600  
1930 6,500  
1940 7,200  

1950

7,819 2,002

1960

10,687

2,930

1970

15,642 4,402

1980

15,245 5,966

1990

17,836 6,131
1997ª 18,606 6,718

2000

20,059 7,001

  ª Special Census conducted by the Bureau of the Census
  * Estimated by City of Lake Forest.

 

1990, 1997 and 2000 Census Population Comparisons of Lake Forest 

 

 

Total
Population


Increase since
1990


Increase since 
1997


#


%


#


%
1990 Census

17,836

 

 

 

 

1997 Special Census

18,606

770

4.3%

 

 

2000 Census

20,059

2,223

12.5%

1,453

7.8%

 


Population Estimates

The Census Bureau Population Estimates Program publishes annually total population estimates for incorporated places and in selected states. The following are the Annual Estimates of the Population for Lake Forest.

Annual Estimates of the Population:

Lake Forest Population Estimates
July 1, 2006 July 1, 2005 July 1, 2004 July 1, 2003 July 1, 2002 July 1, 2001 July 1, 2000
21,600 21,477 21,150 20,862 20,585 20,225 20,168

 


The City of Lake Forest, 220 E. Deerpath, Lake Forest, IL 60045      (847) 234-2600