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COUNTY · 2020 ACS

LaSalle County

Illinois · 109,658 residents · 1,135 sq mi
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The short version

LaSalle County is home to 109,658 people in Illinois. Four-year degrees are less common here than nationally, at 18% of adults. The typical home is worth $130,600, having risen by half since 2000. The median age is 42.5, about 4 years above the US median. The foreign-born share is 4%. 73% of homes are owner-occupied.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 42.5
US median: 38.8
Less educated
18% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
109,658
−2%since 2000
from 111,509 in 2000
1990 – 2025
Median age
42.5
+12%since 2000
from 38.1 in 2000
US average: 38.8
Land area
1,135 sq mi
Population, 1990 – 2024
106K108K110K113K115K19902000201020202024LaSalle County
2024109K
1990201020202024
Age distribution, 2020
Under 55.4%(5,891)
US avg: 5.6%
5 to 95.6%(6,156)
US avg: 6.1%
10 to 146.2%(6,805)
US avg: 6.5%
15 to 196.3%(6,854)
US avg: 6.6%
20 to 245.4%(5,962)
US avg: 6.7%
25 to 3411.8%(12,939)
US avg: 13.5%
35 to 4412.1%(13,233)
US avg: 12.7%
45 to 5412.2%(13,365)
US avg: 12.3%
55 to 6415.4%(16,878)
US avg: 13.1%
65 to 7411.2%(12,254)
US avg: 10%
75 to 845.9%(6,500)
US avg: 4.9%
85 and over2.6%(2,821)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$60,069
−1%inflation adjusted, since 2000
from $40,308 in 2000
US average: $66,278
1990 – 2024
Per capita income
$31,020
+62%since 2000
from $19,185 in 2000
US average: $35,364
Households earning $100K+
37.6%
+9.5 ptssince 2009
from 28.2% in 2009
US average: 43.9%
Poverty rate
13.6%
+4.5 ptssince 2000
from 9.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade15.2%
US avg: 10%
Information12.6%
US avg: 11.1%
Finance & insurance8.3%
US avg: 5.5%
Wholesale trade6.6%
US avg: 6.7%
Professional, scientific, technical6.3%
US avg: 4.7%
Other services4.4%
US avg: 6.6%
Public administration3.6%
US avg: 4.7%
Agriculture, forestry, fishing3.5%
US avg: 1.7%
Transportation & warehousing2.8%
US avg: 2.5%
Construction2.4%
US avg: 1.2%
Education & health services2%
US avg: 0.8%
Arts, entertainment, food1.9%
US avg: 2%
Manufacturing1.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$130,600
Unchangedinflation adjusted, since 2000
from $86,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$785
+10%inflation adjusted, since 2000
from $474 in 2000
US average: $1,124
Owner-occupied
72.8%
−2.3 ptssince 2000
from 75.0% in 2000
27.2% rent
Persons per household
2.34 people
−4%since 2009
from 2.44 people in 2009
US average: 2.61
Afford Score
2.2
−11%since 2009
from 2.4 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic91.9%(102,444)
Black1.5%(1,687)
Hispanic / Latino5.2%(5,791)
Asian0.5%(579)
Other0%
2020
White, non-Hispanic82.5%(90,445)
Black2.3%(2,514)
Hispanic / Latino10.4%(11,456)
Asian0.8%(855)
Other1.7%(1,874)
Segregation Score
30
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
Mexican8.4%(9,171)
Puerto Rican0.7%(775)
Cuban0.1%(138)
Salvadoran0.1%(81)
Guatemalan0.1%(63)
Colombian0%(38)
Spaniard0%(33)
Dominican0%(29)
Peruvian0%(18)
+ 2 more hispanic origin groups with data
Asian origin
Filipino0.2%(226)
Vietnamese0.2%(208)
Chinese0.1%(163)
Japanese0.1%(97)
Asian Indian0.1%(91)
Taiwanese0.1%(68)
Korean0%(27)
Pakistani0%(13)
Pacific Islander origin
Chamorro0%(13)
Samoan0%(2)
Ancestry
German27.8%(30,345)
Irish18%(19,584)
Italian8.7%(9,450)
English8.1%(8,798)
Polish7.6%(8,248)
Norwegian4.4%(4,787)
American3.8%(4,127)
French3.1%(3,383)
Swedish1.8%(1,979)
Slovak1.5%(1,667)
Scottish1.5%(1,639)
Dutch1.1%(1,242)
+ 36 more ancestry groups with data
Scotch-Irish1.1%(1,179)
Czech0.8%(902)
Slovene0.7%(745)
Lithuanian0.6%(625)
Danish0.5%(598)
Russian0.5%(507)
Hungarian0.5%(493)
Greek0.4%(467)
Austrian0.3%(361)
Welsh0.3%(360)
Croatian0.3%(285)
British0.2%(263)
Belgian0.2%(261)
Romanian0.2%(224)
Lebanese0.1%(158)
Ukrainian0.1%(152)
Egyptian0.1%(150)
Finnish0.1%(135)
Portuguese0.1%(127)
Swiss0.1%(123)
Turkish0.1%(108)
Canadian0.1%(102)
Latvian0.1%(57)
Jamaican0%(35)
Nigerian0%(17)
Brazilian0%(11)
Haitian0%(7)
Iranian0%(6)
Serbian0%(6)
Israeli0%(4)
Syrian0%(3)
Section 05

Education

Bachelor's degree or higher
18.4%
+5.1 ptssince 2000
from 13.3% in 2000
US average: 32.9%
High school or higher
89.6%
+8.2 ptssince 2000
from 81.4% in 2000
US average: 88.5%
Graduate degree
6.3%
+1.9 ptssince 2000
from 4.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
24.8 min
+44%since 2000
from 17.2 min in 2000
US average: 26.9
Drive alone to work
85.0%
+1.9 ptssince 2009
from 83.1% in 2009
US average: 75.1%
No vehicle available
5.5%
−0.1 ptssince 2009
from 5.6% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.0%
−3.8 ptssince 2011
from 9.8% in 2011
US average: 5.4%
Labor force participation
62.4%
−3.3 ptssince 2011
from 65.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
75.3%
US average: 73.3%
Management & professional
28.1%
+2.8 ptssince 2009
from 25.3% in 2009
US average: 39.3%
Section 08

People & community

Male
50.4%
+1.0 ptssince 2009
from 49.3% in 2009
Female
49.6%
−1.0 ptssince 2009
from 50.7% in 2009
Foreign born
3.6%
−0.2 ptssince 2009
from 3.9% in 2009
US average: 13.5%
Uninsured
4.0%
−6.2 ptssince 2013
from 10.2% in 2013
US average: 8.8%
Computer in household
89.3%
US average: 91.9%
Same house as last year
88.7%
US average: 86.2%
Marital status (2024)
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
Section 09

Health coverage

Uninsured
4.0%
−6.2 ptssince 2013
from 10.2% in 2013
US average: 8.8%
Employer-based
60.0%
US average: 55.4%
Direct-purchase
14.8%
US average: 13.7%
Medicare
20.1%
US average: 17.6%
Medicaid
21.0%
US average: 20.0%
VA health care
2.5%
US average: 2.3%
Any private
72.0%
US average: 68.1%
Any public
39.9%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)15.5%(1,033)
US avg: 20.6%
Gulf War (1990s)15.5%(1,037)
US avg: 21.4%
Vietnam era36%(2,406)
US avg: 35.2%
Korean War7%(467)
US avg: 7.6%
World War II3.5%(236)
US avg: 2.9%

Share of the 6,676 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare LaSalle County to nearby counties

LASALLE COUNTY VS
Putnam County
Income$75,590+26%
Home value$172,700+32%
Population5,619−95%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Grundy County
Income$92,235+54%
Home value$271,700+108%
Population54,052−50%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Kendall County
Income$111,601+86%
Home value$322,400+147%
Population145,470+35%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Marshall County
Income$71,585+19%
Home value$142,800+9%
Population11,473−89%
SEE FULL COMPARISON →
Frequently asked

How many people live in LaSalle County, Illinois?

LaSalle County, Illinois has about 109,658 residents according to the 2020 American Community Survey.

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

The typical household in LaSalle County, Illinois earns about $60,069 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 $130,600, and the typical rent is about $785 a month.

How educated are people in LaSalle County, Illinois?

About 18.4% 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 13.6% 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 2,745 residents, a change of about 3 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →