LaSalle County, IL demographics:
population, income, and more

Total population
108,714
-0.3% year-over-year change
Median household income
$73,045/yr
1.1% year-over-year change
Housing units
49,843
0.0% year-over-year change

Lasalle County population

How many people live in Lasalle County

Lasalle County is home to 108,714 residents, according to the most recent Census data. Gender-wise, 51% of Lasalle County locals are male, and 49% are female.

Total population
108,714
-0.3% year-over-year change
Gender ratio
Male
51%
55,412
Female
49%
53,302
Value Percent YoY change
Male 55,412 51% -0.2%
Female 53,302 49% -0.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Lasalle County is 42, with the population distributed as follows: about 17.3% are children under 15, then 11.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.5% of the population, while another 26.5% fall into the 45 to 64 bracket. Finally, around 19.9% are 65 or older.

Median age
42.2
Age breakdown
Under 15
17.3%
15 to 24
11.8%
25 to 44
24.5%
45 to 64
26.5%
Over 65
19.9%
Value Percent YoY change
Under 15 18,778 17.3% -0.2%
15 to 24 12,802 11.8% -1.4%
25 to 44 26,676 24.5% -0.5%
45 to 64 28,789 26.5% -1.6%
Over 65 21,669 19.9% 2.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Lasalle County, 95.5% of the population are US-born citizens, while 2.5% have gained naturalized citizenship. At the same time, 2% of residents are non-citizens. As for race, 85.5% of locals are Caucasian, 2.6% are African American and 0.8% have Asian roots. There’s also a share of 7.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.5%
Non-U.S.-born citizens
2.5%
Non-citizens
2%
Value Percent YoY change
U.S.-born citizens 103,836 95.5% -0.6%
Non-U.S.-born citizens 2,723 2.5% 9.8%
Non-citizens 2,155 2% 0.9%
Racial breakdown
White
85.5%
Black or African American
2.6%
American Indian and Alaska Native
0.2%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.1%
Other
3.8%
Value Percent
White 92,952 85.5%
Black or African American 2,796 2.6%
American Indian and Alaska Native 210 0.2%
Asian 911 0.8%
Native Hawaiian and other Pacific Islander 10 0%
Two or more races 7,736 7.1%
Other 4,099 3.8%

Households in Lasalle County

A peek inside Lasalle County households

Lasalle County has 45,373 households, with an average of 2 members in each. Of these, 64% are families, while the remaining 36% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
45,373
0.6% year-over-year change
Average people per household
2
Non-family households
16,310
Family households
29,063
Value Percent YoY change
Non-family households 16,310 36% 1.3%
Family households 29,063 64% 0.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Lasalle County

The housing landscape of Lasalle County

Lasalle County's housing consists of 49,843 units, with 78.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.2% of the housing landscape.

Housing units
49,843
0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 39,262 78.8%
1 unit, attached 1,507 3%
2 units 1,643 3.3%
3 or 4 units 2,182 4.4%
5 to 9 units 1,043 2.1%
10 to 19 units 843 1.7%
20 to 49 units 446 0.9%
50 or more units 789 1.6%
Mobile home 2,114 4.2%
Boat, RV, van, etc. 14 0%
Homes built since 2020
350
50.2% year-over-year change

The age of buildings in Lasalle County

In Lasalle County, the median construction year is 1963. About 24.6% of homes were built before the 1940s, with another 7% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.7% of homes were added from 2000 to 2009, 2.9% between 2010 and 2019, and 0.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 12,251 24.6% -2.4%
Built between 1940 and 1949 3,465 7% -1.9%
Built between 1950 and 1959 7,609 15.3% 2.1%
Built between 1960 and 1969 4,802 9.6% -3.4%
Built between 1970 and 1979 6,791 13.6% -3.2%
Built between 1980 and 1989 3,268 6.6% 3.0%
Built between 1990 and 1999 5,036 10.1% 1.0%
Built between 2000 and 2009 4,827 9.7% 5.0%
Built between 2010 and 2019 1,444 2.9% 9.4%
Built in 2020 or later 350 0.7% 50.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Lasalle County occupancy rates

Out of the 45,373 occupied housing units in Lasalle County, 74.4% are owner-occupied, while 25.6% are lived in by tenants. Meanwhile, 9% of all homes on the local market sit vacant.

Occupied housing units
45,373
0.6% year-over-year change
Occupancy breakdown
Renter occupied
11,595
Owner occupied
33,778
Value Percent YoY
change
Renter occupied 11,595 25.6% -1.4%
Owner occupied 33,778 74.4% 1.4%
Unoccupied housing units
9.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Lasalle County housing costs

Housing costs in Lasalle County come to a median of $976 per month, while tenants specifically pay a median gross rent of $928.

Median housing costs per month
$976/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Lasalle County
$928/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Lasalle County

Lasalle County education at a glance

About 42.5% of the population in Lasalle County went to high school, while 24.8% pursued college studies. Another 10.8% earned an associate degree and 13.4% hold a bachelor’s. Meanwhile, 5.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,196 2.6% 3.1%
High school diploma 36,442 42.5% -2.8%
College diploma 21,237 24.8% -1.2%
Associate degree 9,284 10.8% -2.2%
Bachelor's degree 11,497 13.4% 8.8%
Graduate degree 5,038 5.9% 8.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Lasalle County

How much people earn in Lasalle County

The average annual household income in Lasalle County was $93,009 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.2% change from the previous year. At the same time, the median income stood at $73,045, reflecting a +1.1% shift over the same period.

Average household income in Lasalle County
$93,009/year
3.2% year-over-year change
Median household income in Lasalle County
$73,045/year
1.1% year-over-year change

Lasalle County income by age

In Lasalle County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $83,285. Those with someone between 45 and 64 in charge, often well established professionally, earn $87,651 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $39,345, while those led by someone over 65, many of whom may be retired, have about $52,903 in earnings. Overall, 86.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $39,345 -0.2%
25 - 44 $83,285 2.5%
45 - 64 $87,651 0.6%
Over 65 $52,903 1.2%
Above poverty level
89,834
Below poverty level
14,460
Value Percent YoY
change
Above poverty level 89,834 86.1% -0.9%
Below poverty level 14,460 13.9% 3.4%

Employment in Lasalle County

Workforce and job types in Lasalle County

The job market in Lasalle County is powered by 51,486 working residents, spread across a range of industries and roles. 66.8% of the working population are employed in professional or administrative positions, while 33.2% are in hands-on or service-based jobs. Also, 8.2% run their own businesses, 70.4% are employed by private companies, and 13.4% work in the public sector.

Workforce demographics

Working population
51,486
-1.3% year-over-year change
White collar
34,401
Blue collar
17,085
Value Percent YoY change
White collar 34,401 66.8% 0.5%
Blue collar 17,085 33.2% -4.8%
Employer type
Self employees
8.2%
Private companies
70.4%
Governmental workers
13.4%
Not for profit companies
8.1%
Value Percent YoY change
Self employees 4,230 8.2% -9.2%
Private companies 36,221 70.4% -2.4%
Governmental workers 6,874 13.4% 6.9%
Not for profit companies 4,161 8.1% 4.1%
Unemployment rate
5.4%
-7.4% year-over-year change

Available workforce

The unemployment rate in Lasalle County stands at 5.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Lasalle County

How people get around in Lasalle County

Commuting methods vary: 91.2% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 45,830 91.2% -1.9%
Taxicab 99 0.2% 25.3%
Bus or trolleybus 70 0.1% 62.8%
Motorcycle 101 0.2% 27.9%
Bicycle 126 0.2% -27.6%
Walk 881 1.8% 0.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Lasalle County by zipcode?

Zipcode Population Number of households Median income Average income
60470 358 148 $85,000 $105,313
60518 3,289 1,465 $69,980 $77,970
60531 1,885 724 $79,808 $89,229
60537 726 293 $81,825 $113,697
60548 11,721 4,548 $82,957 $101,867
60549 784 254 $108,417 $98,182
60551 5,058 1,546 $86,786 $110,197
60552 4,285 1,807 $113,411 $140,915
61301 10,398 4,579 $60,328 $71,924

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FAQs about Lasalle County demographics 

What is the total population of Lasalle County?

Lasalle County has a total population of 108,714 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.3% compared to a year ago.

What is the gender ratio in Lasalle County?

The gender ratio in Lasalle County is as follows:
  • 51% males (55,412 residents)
  • 49% females (53,302 residents)

What is the median age in Lasalle County?

The median age in Lasalle County is 42.2.

What is the age distribution of the population in Lasalle County?

The age distribution in Lasalle County is as follows:
  • Under 15: 17.3% (18,778 residents)
  • Ages 15-24: 11.8% (12,802 residents)
  • Ages 25-44: 24.5% (26,676 residents)
  • Ages 45-64: 26.5% (28,789 residents)
  • Over 65: 19.9% (21,669 residents)

What is the racial and ethnic makeup of Lasalle County?

The racial and ethnic makeup of Lasalle County is as follows:
  • White: 85.5% (92,952 residents)
  • Black or African American: 2.6% (2,796 residents)
  • American Indian and Alaska Native: 0.2% (210 residents)
  • Asian: 0.8% (911 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (10 residents)
  • Two or More Races: 7.1% (7,736 residents)
  • Other: 3.8% (4,099 residents)

What percentage of the population in Lasalle County are U.S.-born citizens?

U.S.-born citizens represent 95.5% of the population in Lasalle County.

How many housing units are there in Lasalle County?

There are 49,843 housing units in Lasalle County, reflecting a +0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Lasalle County and what is the average household size?

Lasalle County has a total of 45,373 households, with an average of 2 people in each.

What is the median household income in Lasalle County?

Lasalle County has a median household income of $73,045, representing a +1.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Lasalle County?

The employment rate is 94.6% in Lasalle County, with a workforce of 51,486 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 66.8% (34,401 residents)
  • Blue-collar workers: 33.2% (17,085 residents)

Places of employment:
  • Self-employed: 8.2% (4,230 residents)
  • Private companies: 70.4% (36,221 residents)
  • Governmental workers: 13.4% (6,874 residents)
  • Not-for-profit companies: 8.1% (4,161 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025