Lake County's estimated 2025 population is 706,482 with a growth rate of -0.16% in the past year according to the most recent United States census data. Lake County is the 3rd largest county in Illinois. The 2010 population was 704,179 and has seen a growth of 0.33% since that time.
Data after 2023 is projected based on recent change
The racial composition of Lake County includes 64.02% White, 8.46% Asian, 8.34% other race, 6.64% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Asian
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 455,739 | 64.02% |
| Two or more races | 82,625 | 11.61% |
| Asian | 60,193 | 8.46% |
| Other race | 59,380 | 8.34% |
| Black or African American | 47,294 | 6.64% |
| Native American | 6,319 | 0.89% |
| Native Hawaiian or Pacific Islander | 335 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Lake County's average per capita income is $61,564. Household income levels show a median of $108,917. The poverty rate stands at 8.07%.
Name | Median | Mean |
|---|---|---|
| Married Families | $153,247 | $201,471 |
| Families | $132,828 | $178,491 |
| Households | $108,917 | $152,447 |
| Non Families | $56,234 | $80,705 |
Average Income
Median Household Income
Poverty Rate
