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COUNTY · 2000 CENSUS

LaSalle County

Illinois · 111,509 residents · 1,135.138 sq mi
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The short version

LaSalle County has roughly average household income, with a median household income of $40,308. Population has held roughly steady since 1990. 13% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $86,500.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.1
US median: 35.2
Less educated
13% hold a bachelor's degree
US average: 24%
Less affordable
home values up 32%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
111,509
+4%since 1990
from 106,913 in 1990
1990 – 2025
Population density
98 / sq mi
+4%since 1990
from 94 / sq mi in 1990
US average: 242
Median age
38.1
+7%since 1990
from 35.5 in 1990
US average: 35.2
Population, 1990 – 2024
106K108K110K113K115K1990201020202024LaSalle County
2024109K
1990201020202024
Section 02

Income & economy

Median household income
$40,308
+13%inflation adjusted, since 1990
from $27,093 in 1990
US average: $42,589
1990 – 2024
Per capita income
$19,185
+56%since 1990
from $12,337 in 1990
US average: $21,522
Poverty rate
9.1%
−2.0 ptssince 1990
from 11.1% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$86,500
+32%inflation adjusted, since 1990
from $49,700 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$474
+11%inflation adjusted, since 1990
from $324 in 1990
US average: $602
Owner-occupied
75.0%
+1.8 ptssince 1990
from 73.2% in 1990
25.0% rent
Afford Score
2.1
+17%since 1990
from 1.8 in 1990
1990 – 2024
RELATED:See current rent listings in LaSalle County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.3%(104,008)
Black1%(1,087)
Hispanic / Latino2.9%(3,097)
Asian0.3%(371)
Diversity Score13.1%(14,041)
2000
White, non-Hispanic91.9%(102,444)
Black1.5%(1,687)
Hispanic / Latino5.2%(5,791)
Asian0.5%(579)
Diversity Score17.2%(19,166)
Diversity Score
17
+31%since 1990
from 13 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
13.3%
+2.8 ptssince 1990
from 10.5% in 1990
US average: 24.4%
High school or higher
81.4%
+8.2 ptssince 1990
from 73.1% in 1990
US average: 80.3%
Graduate degree
4.3%
+0.9 ptssince 1990
from 3.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
17.2 min
−11%since 1990
from 19.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to LaSalle County

Woodbury County
Pop 106,649
Kankakee County
Pop 105,525
LaPorte County
Pop 111,294
DeKalb County
Pop 101,835
Places similar to LaSalle County
Head to head

Compare LaSalle County to nearby counties

LASALLE COUNTY VS
Putnam County
Income$75,590+88%
Home value$172,700+100%
Population5,619−95%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Grundy County
Income$92,235+129%
Home value$271,700+214%
Population54,052−50%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Kendall County
Income$111,601+177%
Home value$322,400+273%
Population145,470+35%
SEE FULL COMPARISON →
LASALLE COUNTY VS
Marshall County
Income$71,585+78%
Home value$142,800+65%
Population11,473−89%
SEE FULL COMPARISON →
Frequently asked

How many people live in LaSalle County, Illinois?

LaSalle County, Illinois has about 111,509 residents according to the 2000 Census.

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

The typical household in LaSalle County, Illinois earns about $40,308 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 $86,500, and the typical rent is about $474 a month.

How educated are people in LaSalle County, Illinois?

About 13.3% 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 9.1% 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 4,596 residents, a change of about 4 percent over that period.

Keep going

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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