LaSalle County's estimated 2026 population is 108,376 with a growth rate of -0.01% in the past year according to the most recent United States census data. LaSalle County is the 17th largest county in Illinois. The 2010 population was 113,812 and has seen a growth of -4.78% since that time.
Data after 2023 is projected based on recent change
The racial composition of LaSalle County includes 86.84% White, 4.07% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (86.84%)
Two or more races (5.42%)
Other race (4.07%)
Black or African American (2.71%)
Asian (0.87%)
Native American (0.08%)
Native Hawaiian or Pacific Islander (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 94,696 | 86.84% |
| Two or more races | 5,911 | 5.42% |
| Other race | 4,437 | 4.07% |
| Black or African American | 2,956 | 2.71% |
| Asian | 946 | 0.87% |
| Native American | 92 | 0.08% |
| Native Hawaiian or Pacific Islander | 11 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
LaSalle County's average per capita income is $46,646. Household income levels show a median of $72,281. The poverty rate stands at 13.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,175 | $121,509 |
| Families | $88,077 | $105,075 |
| Households | $72,281 | $90,125 |
| Non Families | $42,740 | $58,845 |
Average Income
Median Household Income
Poverty Rate
