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COUNTY

LaSalle County

Illinois · 107,773 residents (2025 est.) · 1,135.138 sq mi
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The short version

LaSalle County has lower-than-average household income, with a median household income of $73,045. Population has held roughly steady since 2000. 20% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $161,900. It sits in the top 10% of US counties for household income.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 42.2
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
108,714
−3%since 2000
from 111,509 in 2000
1990 – 2025
Population density
96 / sq mi
−3%since 2009
from 99 / sq mi in 2009
US average: 281
Median age
42.2
+11%since 2000
from 38.1 in 2000
US average: 38.9

PEP 2025 EST:107,773 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
106K108K110K113K115K1990201020202024LaSalle County
2024109K
1990201020202024
Age distribution, 2024
Under 55.2%(5,643)
US avg: 5.6%
5 to 95.8%(6,266)
US avg: 6%
10 to 146.3%(6,869)
US avg: 6.4%
15 to 196.1%(6,586)
US avg: 6.6%
20 to 245.7%(6,216)
US avg: 6.5%
25 to 3412%(13,074)
US avg: 13.7%
35 to 4412.5%(13,602)
US avg: 13.2%
45 to 5411.9%(12,905)
US avg: 12.2%
55 to 6414.6%(15,884)
US avg: 12.7%
65 to 7411.8%(12,809)
US avg: 10.2%
75 to 845.6%(6,132)
US avg: 5.1%
85 and over2.5%(2,728)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$73,045
−1%inflation adjusted, since 2000
from $40,308 in 2000
US average: $82,259
1990 – 2024
Per capita income
$39,375
+105%since 2000
from $19,185 in 2000
US average: $44,673
Households earning $100K+
49.0%
+20.9 ptssince 2009
from 28.2% in 2009
US average: 53.3%
Poverty rate
13.9%
+4.8 ptssince 2000
from 9.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.444
+9%since 2010
from 0.409 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade14.9%
US avg: 9.9%
Information12.9%
US avg: 10.8%
Finance & insurance9.1%
US avg: 5.9%
Wholesale trade6.8%
US avg: 6.9%
Professional, scientific, technical6.7%
US avg: 5.1%
Other services4.8%
US avg: 6.7%
Public administration4%
US avg: 4.8%
Agriculture, forestry, fishing3.6%
US avg: 1.6%
Construction2.7%
US avg: 1.2%
Transportation & warehousing2.5%
US avg: 2.2%
Education & health services2.3%
US avg: 0.9%
Arts, entertainment, food1.8%
US avg: 1.9%
Manufacturing1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$161,900
+3%inflation adjusted, since 2000
from $86,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$928
+7%inflation adjusted, since 2000
from $474 in 2000
US average: $1,442
Owner-occupied
74.4%
−0.6 ptssince 2000
from 75.0% in 2000
25.6% rent
Vacancy rate
9.0%
+0.7 ptssince 2009
from 8.3% in 2009
US average: 10.0%
Owner cost-burdened
17.4%
−7.3 ptssince 2009
from 24.6% in 2009
US average: 22.9%
Renter cost-burdened
39.8%
+1.1 ptssince 2009
from 38.7% in 2009
US average: 47.4%
Afford Score
2.2
−9%since 2009
from 2.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
20
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in LaSalle County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic91.9%(102,444)
Black1.5%(1,687)
Hispanic / Latino5.2%(5,791)
Asian0.5%(579)
Other0%
2024
White, non-Hispanic82.1%(89,301)
Black2.5%(2,715)
Hispanic / Latino11.2%(12,161)
Asian0.8%(911)
Other3.3%(3,626)
Diversity Score
39
+62%since 2009
from 24 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
27
−9%since 2020
from 30 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican9.7%(10,551)
Puerto Rican0.4%(479)
Spaniard0.1%(139)
Colombian0.1%(101)
Chilean0.1%(69)
Peruvian0%(46)
Bolivian0%(31)
+ 5 more hispanic origin groups with data
Asian origin
Asian Indian0.3%(360)
Filipino0.2%(256)
Taiwanese0.1%(96)
Chinese0.1%(85)
Thai0%(28)
Korean0%(21)
Cambodian0%(17)
Pacific Islander origin
Samoan0%(2)
Ancestry
German24.6%(26,757)
Irish16.1%(17,477)
English9.6%(10,391)
Italian7.8%(8,489)
Polish6.2%(6,781)
American4.5%(4,942)
Norwegian3.8%(4,110)
French2.6%(2,866)
Swedish1.7%(1,897)
Scottish1.5%(1,656)
Slovak1.4%(1,553)
Dutch0.9%(1,023)
+ 40 more ancestry groups with data
Czech0.8%(857)
Welsh0.6%(697)
Slovene0.6%(685)
Scotch-Irish0.6%(639)
Lithuanian0.5%(504)
Hungarian0.5%(490)
Austrian0.4%(400)
Danish0.3%(334)
Russian0.2%(237)
Arab0.2%(204)
Croatian0.2%(196)
Greek0.2%(183)
Egyptian0.2%(171)
Belgian0.2%(165)
Portuguese0.2%(164)
Lebanese0.1%(159)
Ukrainian0.1%(140)
Canadian0.1%(130)
British0.1%(113)
Finnish0.1%(107)
Swiss0.1%(104)
Romanian0.1%(77)
Somali0.1%(74)
Turkish0.1%(64)
Serbian0%(51)
Ghanaian0%(40)
Brazilian0%(21)
Latvian0%(18)
Nigerian0%(16)
Iranian0%(15)
Haitian0%(9)
Syrian0%(6)
Israeli0%(4)
RANKED:Largest German population · Largest Irish population · Largest Mexican population · Largest English population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
20.5%
+7.2 ptssince 2000
from 13.3% in 2000
US average: 35.6%
High school or higher
91.8%
+10.5 ptssince 2000
from 81.4% in 2000
US average: 89.6%
Graduate degree
6.5%
+2.2 ptssince 2000
from 4.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.0 min
+51%since 2000
from 17.2 min in 2000
US average: 26.5
Drive alone to work
83.0%
−0.1 ptssince 2009
from 83.1% in 2009
US average: 68.9%
Carpooled to work
8.2%
−0.9 ptssince 2009
from 9.1% in 2009
US average: 8.5%
Public transit
0.2%
−0.3 ptssince 2009
from 0.5% in 2009
US average: 3.2%
Worked from home
5.1%
+1.6 ptssince 2009
from 3.5% in 2009
US average: 15.0%
Walked to work
1.8%
−0.9 ptssince 2009
from 2.7% in 2009
US average: 2.4%
Biked to work
0.3%
−0.3 ptssince 2009
from 0.5% in 2009
US average: 0.4%
No vehicle available
6.0%
+0.4 ptssince 2009
from 5.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.4%
−4.4 ptssince 2011
from 9.8% in 2011
US average: 5.2%
Labor force participation
61.3%
−4.4 ptssince 2011
from 65.7% in 2011
US average: 63.5%
Self-employed
12.8%
+2.1 ptssince 2009
from 10.7% in 2009
US average: 13.1%
Management & professional
31.3%
−25.9 ptssince 2009
from 57.2% in 2009
US average: 42.5%
Section 08

People & community

Male
51.0%
+1.7 ptssince 2009
from 49.3% in 2009
Female
49.0%
−1.7 ptssince 2009
from 50.7% in 2009
Foreign born
3.9%
Unchangedsince 2009
from 3.9% in 2009
US average: 14.1%
Veterans
7.7%
−41.1 ptssince 2009
from 48.8% in 2009
US average: 6.2%
With a disability
13.9%
+2.3 ptssince 2012
from 11.6% in 2012
US average: 13.3%
Uninsured
4.0%
−85.8 ptssince 2013
from 89.8% in 2013
US average: 8.4%
Broadband at home
87.4%
+9.9 ptssince 2017
from 77.5% in 2017
US average: 91.0%
English only at home
92.1%
−1.2 ptssince 2016
from 93.3% in 2016
US average: 77.7%
Spanish at home
5.9%
+0.9 ptssince 2016
from 5.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married33.9%(15,501)
Married51.5%(23,511)
Widowed3%(1,382)
Divorced11.6%(5,285)
Women 15+
Never married26.7%(11,807)
Married50.5%(22,331)
Widowed10.3%(4,565)
Divorced12.5%(5,554)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare LaSalle County to nearby counties

LASALLE COUNTY VS
Putnam County
Income$75,590+3%
Home value$172,700+7%
Population5,619−95%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Grundy County
Income$92,235+26%
Home value$271,700+68%
Population54,052−50%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Kendall County
Income$111,601+53%
Home value$322,400+99%
Population145,470+35%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Marshall County
Income$71,585−2%
Home value$142,800−12%
Population11,473−89%
SEE FULL COMPARISON →
Frequently asked

How many people live in LaSalle County, Illinois?

LaSalle County, Illinois has about 108,714 residents according to the 2024 American Community Survey.

What is the median household income in LaSalle County, Illinois?

The typical household in LaSalle County, Illinois earns about $73,045 a year. Half of households make more than that, and half make less.

Is LaSalle County, Illinois expensive?

In LaSalle County, Illinois, the median home is worth about $161,900, and the typical rent is about $928 a month.

How educated are people in LaSalle County, Illinois?

About 20.5% of adults age 25 and over in LaSalle County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in LaSalle County, Illinois?

About 13.9% of people in LaSalle County, Illinois live below the federal poverty line.

Has LaSalle County, Illinois grown since 1990?

Yes, LaSalle County, Illinois has grown since 1990. The population has added about 1,801 residents, a change of about 2 percent over that period.

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Explore from here

28 census tracts (top 20 by population)
Census Tract 9623Census Tract 9617.01Census Tract 9626Census Tract 9637Census Tract 9621Census Tract 9635Census Tract 9622Census Tract 9630Census Tract 9639Census Tract 9619Census Tract 9638Census Tract 9624Census Tract 9620Census Tract 9618Census Tract 9634Census Tract 9641Census Tract 9631Census Tract 9617.02Census Tract 9636Census Tract 9628
26 ZIP codes
ZIP 61350ZIP 61364ZIP 61301ZIP 61354ZIP 61342ZIP 61341ZIP 60551ZIP 61348ZIP 61360ZIP 60518ZIP 61373ZIP 60531ZIP 61377ZIP 61370ZIP 61325ZIP 60549ZIP 61334ZIP 60537ZIP 61358ZIP 60470ZIP 61372ZIP 61316ZIP 61321ZIP 61332ZIP 61371ZIP 60557
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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