LaSalle, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, LaSalle, Illinois had a total population of 9,498, the 232nd largest city in Illinois, with a median household income of $57,732, which is 31% lower than the state average. The poverty rate is 18.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 2.0x.
LaSalle Quick Facts
How LaSalle Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 9,471 | 9,498 | +0.3% |
| Median household income | $54,246 | $57,732 | +6.4% |
| Median home value | $109,500 | $113,500 | +3.7% |
How LaSalle Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
LaSalle Rankings in Illinois
Explore Illinois Rankings
Other Cities in LaSalle County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Ottawa | 18,447 | $71,413 | 17.3% | $154,000 |
| Streator | 12,330 | $57,609 | 20.3% | $94,700 |
| Peru | 9,775 | $74,808 | 9.0% | $154,300 |
| Mendota | 6,994 | $51,632 | 14.1% | $134,100 |
| Lake Holiday | 5,641 | $107,875 | 2.9% | $256,400 |
| Marseilles | 4,279 | $58,217 | 21.5% | $142,500 |
| Oglesby | 3,570 | $76,189 | 9.6% | $139,700 |
| Sheridan | 2,519 | $85,250 | 10.9% | $186,400 |
| Seneca | 2,450 | $86,830 | 22.2% | $227,500 |
| Earlville | 1,942 | $63,553 | 16.5% | $142,200 |
Cities Similar to LaSalle
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rochelle | 9,529 | $66,307 | $164,300 | 18.6% | 7.9% |
| Steger | 9,418 | $66,575 | $156,700 | 17.8% | 12.6% |
| Bethalto | 9,239 | $64,775 | $168,900 | 30.4% | 12.3% |
| Harvard | 9,598 | $67,617 | $175,400 | 18.7% | 11.8% |
| Sauk Village | 9,678 | $69,973 | $110,800 | 20.0% | 17.6% |
Population Overview
LaSalle is a small city located in Illinois, within LaSalle County. The total population is 9,498. It ranks as the 232nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in LaSalle is 40.2 years. This is 3% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in LaSalle is $57,732. This is 31% lower than the state median of $83,390. It is also 28% lower than the national median of $80,734. The poverty rate stands at 18.8%. This is 59% higher than the state poverty rate of 11.8%. The unemployment rate is 5.0%. This is 15% lower than the state rate of 5.8%. The median home value is $113,500. Housing costs are 57% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.0x, LaSalle is one of the most affordable housing markets in the area. 64.9% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in LaSalle is White (non-Hispanic), making up 75.8% of the population. Hispanic or Latino residents account for 16.6%. The Black or African American population (4.1%) is well below the state average of 13.3%. The Asian population (1.4%) is well below the state average of 5.9%.
Education
16.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 56% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.4%.
Data Sources & Methodology
All demographic data for LaSalle, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of LaSalle, Illinois?
LaSalle, Illinois has a population of 9,498 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in LaSalle, IL?
The median household income in LaSalle is $57,732, which is 28% lower than the national median of $80,734.
What is the poverty rate in LaSalle, IL?
The poverty rate in LaSalle is 18.8%. This means approximately 1,748 residents live below the federal poverty line.
What is the racial makeup of LaSalle, Illinois?
LaSalle's population is 75.8% White, 4.1% Black, 16.6% Hispanic/Latino, and 1.4% Asian.
What is the median home value in LaSalle, IL?
The median home value in LaSalle is $113,500. The home-value-to-income ratio is 2.0x.
How educated is LaSalle, Illinois?
16.8% of adults (25+) in LaSalle hold a bachelor's degree or higher, and 6.9% hold a graduate or professional degree.