Third Lake Flag

Third Lake

County:
Lake County
County Seat:
No
Area (mi²):
0.588
State:
Illinois

Third Lake is a village located in Lake County, Illinois. Third Lake has a 2026 population of 1,113. Third Lake is currently declining at a rate of 0% annually and its population has decreased by -0.27% since the most recent census, which recorded a population of 1,116 in 2020.

The median household income in Third Lake is $150,139 with a poverty rate of 2.02%. The median age in Third Lake is 52.2 years: 46.8 years for males, and 54.9 years for females. For every 100 females there are 119.1 males.

1.1K
Total Population
1,892
Density (mi²)

Third Lake Population

Third Lake Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,11300%
20251,113-1-0.09%
20241,11450.45%
20231,10900%
20221,109-6-0.54%
20211,115-1-0.09%
20201,116-2-0.18%
20191,149-9-0.78%
20181,158-10-0.86%
20171,168-6-0.51%
20161,174-7-0.59%
20151,181-1-0.08%
20141,18200%
20131,18240.34%
20121,178-1-0.08%
20111,179-3-0.25%
20101,18110.08%

Median Age

Overall: 52.2 years
Female: 54.9 years
Male: 46.8 years

Third Lake Adults

There are 967 adults, (317 of whom are seniors) in Third Lake.

Sex Ratio

Female: 519 (45.6%)
Male: 618 (54.4%)

Demographics

The racial composition of Third Lake includes 85.05% White, 3.25% Native American, and smaller percentages for Asian, other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White96785.05%
Two or more races897.83%
Native American373.25%
Asian252.2%
Other race181.58%
Black or African American10.09%
Race
Population ↓
Percentage (of total)
Two or more races504.4%
Native American373.25%
White322.81%
Other race141.23%
Race
Population ↓
Percentage (of total)
White93582.23%
Two or more races393.43%
Asian252.2%
Other race40.35%
Black or African American10.09%

Third Lake Marital Status

Economics and Income Statistics

Third Lake 's average per capita income is $75,781. Household income levels show a median of $150,139. The poverty rate stands at 2.02%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$165,547-
Families$165,182$185,458
Households$150,139$166,716
Non Families$73,750$96,764

$75,781

Average Income

$150,139

Median Household Income

2.02%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)