LaSalle County's estimated 2026 population is 107,671 with a growth rate of -0.09% 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 -5.4% since that time.
Data after 2023 is projected based on recent change
Overall: 42.2 years
Female: 43.4 years
Male: 40.7 years
There are 85,694 adults, (21,669 of whom are seniors) in LaSalle County.
Female: 53,302 (49%)
Male: 55,412 (51%)
The racial composition of LaSalle County includes 85.5% White, 3.77% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 92,952 | 85.5% |
| Two or more races | 7,736 | 7.12% |
| Other race | 4,099 | 3.77% |
| Black or African American | 2,796 | 2.57% |
| Asian | 911 | 0.84% |
| Native American | 210 | 0.19% |
| Native Hawaiian or Pacific Islander | 10 | 0.01% |
LaSalle County's average per capita income is $48,490. Household income levels show a median of $73,045. The poverty rate stands at 13.91%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,331 | $126,565 |
| Families | $90,095 | $108,196 |
| Households | $73,045 | $93,009 |
| Non Families | $43,034 | $61,246 |
Average Income
Median Household Income
Poverty Rate
