Long Lake is a CDP located in Lake County, Illinois. Long Lake has a 2025 population of 2,795 . Long Lake is currently declining at a rate of -1.69% annually and its population has decreased by -8.81% since the most recent census, which recorded a population of 3,065 in 2020.
The average household income in Long Lake is $100,782 with a poverty rate of 11.59%. The median age in Long Lake is 32.1 years: 30.2 years for males, and 34.3 years for females. For every 100 females there are 118.5 males.
Data after 2023 is projected based on recent change
The racial composition of Long Lake includes 55.27% White, 29.11% other race, and smaller percentages for Black or African American, Native American, Asian and multiracial populations.
White (55.27%)
Other race (29.11%)
Two or more races (12.12%)
Black or African American (2.39%)
Native American (0.65%)
Asian (0.47%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,779 | 55.27% |
| Other race | 937 | 29.11% |
| Two or more races | 390 | 12.12% |
| Black or African American | 77 | 2.39% |
| Native American | 21 | 0.65% |
| Asian | 15 | 0.47% |
Married
Widowed
Divorced
Separated
Never Married
Long Lake's average per capita income is $42,234. Household income levels show a median of $100,824. The poverty rate stands at 11.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,429 | - |
| Households | $100,824 | $100,782 |
| Families | $98,750 | $99,424 |
| Non Families | - | $91,677 |
Average Income
Median Household Income
Poverty Rate