LaSalle County, Illinois Population 2024

108,437

LaSalle County, Illinois's estimated 2024 population is 108,437 with a growth rate of 0.12% in the past year according to the most recent United States census data. LaSalle County, Illinois is the 17th largest county in Illinois. The 2010 population was 113,812 and has seen a growth of -4.72% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029109,0771280.12%
2028108,9491280.12%
2027108,8211280.12%
2026108,6931280.12%
2025108,5651280.12%
2024108,4371280.12%
2023108,3091280.12%
2022108,181-979-0.9%
2021109,160-250-0.23%
2020109,4108930.82%
2019108,517-619-0.57%
2018109,136-454-0.41%
2017109,590-586-0.53%
2016110,176-839-0.76%
2015111,015-635-0.57%
2014111,650-769-0.68%
2013112,419-494-0.44%
2012112,913-614-0.54%
2011113,527-285-0.25%
2010113,81200%
1990106,913-5,120-4.57%
1980112,0336240.56%
1970111,4096090.55%
1960110,80010,19010.13%
1950100,6102,8092.87%
194097,8011060.11%
193097,6954,7705.13%
192092,9252,7933.1%
191090,1322,3562.68%
190087,7766,9788.64%
189080,79810,39514.76%
188070,4039,61115.81%
187060,79212,46025.78%
186048,33230,517171.3%
185017,8158,46790.58%
18409,348-99,729-91.43%
2024 Growth Rate
0.12% (128)
County Website
LaSalle County
County Seat
Ottawa
2020 Population
109,410
Area
1135 mi²
Density
96 people/mi²
Growth Since 2020
-0.89% (-973)
Founded
January 15, 1831

Population by Race

Race
Population
Percentage (of total)
White94,69686.84%
Two or more races5,9115.42%
Other race4,4374.07%
Black or African American2,9562.71%
Asian9460.87%
Native American920.08%
Native Hawaiian or Pacific Islander110.01%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

LaSalle County, Illinois Population by Race

LaSalle County, Illinois Population Pyramid 2024

LaSalle County, Illinois Median Age

42.1

Total

40.5

Male

43.2

Female

LaSalle County, Illinois Adults

There are 85,815 adults, (21,208 of whom are seniors) in LaSalle County, Illinois.

LaSalle County, Illinois Age Dependency

68.8

Age Dependency Ratio

32.8

Old Age Dependency Ratio

36

Child Dependency Ratio

LaSalle County, Illinois Sex Ratio

Female53,55049.11%
Male55,49950.89%

LaSalle County, Illinois Population by Age

LaSalle County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All45,0922.3573.926.1
Married21,6852.9889.110.9
Non Family16,0991.1861.338.7
Female5,2383.0351.248.8
Male2,0703.0970.429.6

2.9

Average Family Size

2.35

Average Household Size

73.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

LaSalle County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade4,6536.02%
Associates Degree8,97711.62%
Bachelors Degree9,87712.78%
Graduate Degree4,6065.96%
High School Graduate27,78335.96%
Less Than 9th Grade2,0092.6%
Some College19,35125.05%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

LaSalle County, Illinois Educational Attainment by Sex (over 25)

LaSalle County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White66,82662,79713,196
Hispanic6,2944,350528
2+ Races3,0692,702455
Other Race2,5191,555141
Black1,9311,362146
Asian677642359
Native American575417
Islander1154

The highest rate of high school graduation is among asian people with a rate of 94.83%.

The highest rate of bachelors degrees is among asian people with a rate of 53.03%.

LaSalle County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$56,676$70,783$45,728
Graduate Degree$73,162$90,423$65,089
High School Graduate$41,083$53,405$28,085
Less Than 9th Grade$30,960$36,777$24,352
Overall$46,646$60,734$35,365
Some College$47,689$66,454$35,261

$46,646

Average Earnings

$60,734

Average Male

$35,365

Average Female

LaSalle County, Illinois Earnings by Educational Attainment

LaSalle County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

LaSalle County, Illinois Language

92.12% of LaSalle County, Illinois residents speak only English, while 7.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.98% of the population.

LaSalle County, Illinois Language

LaSalle County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White88,70410,93512.33%
Hispanic11,4542,27919.9%
Multiple5,7381,01717.72%
Other4,32682018.96%
Black1,85838920.94%
Asian946394.12%

13.46%

Overall Poverty Rate

11.64%

Male Poverty Rate

15.3%

Female Poverty Rate

Poverty in LaSalle County, Illinois

The race most likely to be in poverty in LaSalle County, Illinois is Black, with 20.94% below the poverty level.

The race least likely to be in poverty in LaSalle County, Illinois is Asian, with 4.12% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.21%. Among those working part-time, it was 14.01%, and for those that did not work, the poverty rate was 18.35%.

LaSalle County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade18.94%
High School13.93%
Some College9.43%
Bachelors or Greater4.65%

LaSalle County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed34.55%
Male Unemployed30.98%
Female Employed9.43%
Male Employed4.84%

LaSalle County, Illinois Poverty Rate by Employment Status and Sex

LaSalle County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$88,077$105,075
Households$72,281$90,125
Married Families$102,175$121,509
Non Families$42,740$58,845

mean

median

Income by Household Type

LaSalle County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.1%

Overall Marriage Rate

50.6%

Male Marriage Rate

49.7%

Female Marriage Rate

LaSalle County, Illinois Married by Age and Sex

male

female

LaSalle County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

LaSalle County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

LaSalle County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

6,610

Number of Veterans

6,178

Male Veterans

432

Female Veterans

War
Veterans
Vietnam2,659
First Gulf War1,161
Second Gulf War1,074
Korea341
World War II65

LaSalle County, Illinois Veterans by War

count

Age Group
Veterans
65 to 742,038
55 to 641,498
75+1,362
35 to 541,265
18 to 34447

LaSalle County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White6,2648.27%
Hispanic2282.92%
2+ Races2165.75%
Black883.84%
Other Race230.72%
Asian192.55%

LaSalle County, Illinois Veterans by Race

LaSalle County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.23%

Veteran Poverty Rate

27.86%

Veteran Disability Rate

LaSalle County, Illinois Veterans by Education

LaborForceParticipation

62.3%

Labor Force Participation

58.7%

Employment Rate

5.7%

Unemployment Rate

LaSalle County, Illinois Employment by Age

LaborForceParticipation

LaSalle County, Illinois Employment by Race

LaborForceParticipation

LaSalle County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

83.66%

Born in LaSalle County, Illinois

96.31%

Native Born

3.69%

Foreign Born

1.96%

Non Citizen

1.73%

Naturalized

Place of Birth

96.31% of LaSalle County, Illinois residents were born in the United States, with 83.66% having been born in Illinois. 1.96% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

LaSalle County, Illinois Place of Birth

Sources