Lake County is the farthest
north-east county in the U.S. state of Illinois.
2006 census estimated the population was 713,076. Its county seat is Waukegan, Illinois .
According to the 2000 United States Census, Lake County is the 31st
richest county by per-capita income. The county is part of
Its lakefront communities, along with some
in Cook County, are part of an area known as the North Shore
part of McHenry
County, the townships comprising Lake County were carved
out into a separate county in 1839.
According to the U.S.
Census Bureau, the county has a total
area of 1,368 square miles (3,543 km²), of which,
448 square miles (1,159 km²) of it is land and
920 square miles (2,384 km²) of it is water, much of it
total area is 67.28% water.
Michigan, lakes in
the county include:
Antioch, Avon, Benton, Cuba, Ela, Fremont, Grant, Lake Villa,
Libertyville, Moraine, Newport, Shields, Vernon, Warren, Wauconda,
Waukegan, West Deerfield, Zion
Boundary lies entirely in Lake Michigan.
2000 census age pyramid for Lake
As of the census
of 2000, there were 644,356
people, 216,297 households, and 163,953 families residing in the
county. The population density
was 1,440 people per square mile (556/km²). There were 225,919
housing units at an average density of 505 per square mile
(195/km²). The racial makeup of the county was 80.11% White
, 6.94% Black
or African American
, 0.28% Native American
, 3.90% Asian
, 0.05% Pacific Islander
, 6.72% from
, and 2.01%
from two or more races. 14.39% of the population were Hispanic
of any race. 17.0% were of
German, 9.0% Irish, 7.2% Polish, 6.4% Italian and 5.0% American ancestry according to Census
78.7% spoke English
, 12.9% Spanish
and 1.0% Russian
as their first language.
The Census estimates of 2005 showed Lake County with 68.6% of its
residents being non-Hispanic whites, 18.2% Latinos, 6.8% African
American and 5.5% Asian.
According to the 2000 census there were 216,297 households out of
which 42.10% had children under the age of 18 living with them,
63.20% were married couples
together, 9.20% had a female householder with no husband present,
and 24.20% were non-families. 19.70% of all households were made up
of individuals and 6.20% had someone living alone who was 65 years
of age or older. The average household size was 2.88 and the
average family size was 3.33.
In the county the population was spread out with 29.40% under the
age of 18, 8.90% from 18 to 24, 31.60% from 25 to 44, 21.60% from
45 to 64, and 8.50% who were 65 years of age or older. The median
age was 34 years. For every 100 females there were 101.20 males.
For every 100 females age 18 and over, there were 99.30 males.
Waukegan and North Chicago account for 20% of the county's
The median income for a household in the county was $66,973, and
the median income for a family was $76,424 (these figures had risen
to $76,940 and $88,851 respectively as of a 2007 estimate). Males
had a median income of $50,789 versus $33,458 for females. The
per capita income
for the county
was $32,102. About 4.00% of families and 5.70% of the population
were below the poverty line
7.00% of those under age 18 and 4.80% of those age 65 or over.
Census reported that Lake County had the second median highest
household income of any county in the state, behind DuPage
Cities, villages and census-designated places