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

36 Rows

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)
White96,67288.29%
Two or more races4,9874.55%
Other race3,7933.46%
Black or African American3,0142.75%
Asian9700.89%
Native American400.04%
Native Hawaiian or Pacific Islander190.02%

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

41.9

Total

40.3

Male

43.2

Female

LaSalle County, Illinois Adults

There are 86,264 adults, (20,944 of whom are seniors) in LaSalle County, Illinois.

LaSalle County, Illinois Age Dependency

67.6

Age Dependency Ratio

32.1

Old Age Dependency Ratio

35.6

Child Dependency Ratio

LaSalle County, Illinois Sex Ratio

Female53,73449.07%
Male55,76150.93%

LaSalle County, Illinois Population by Age

LaSalle County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All45,1302.3673.426.6
Married21,555389.210.8
Non Family16,2081.1861.638.4
Female5,4683.0449.550.5
Male1,8993.2162.937.1

2.92

Average Family Size

2.36

Average Household Size

73.4%

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 Grade4,9766.42%
Associates Degree9,17411.84%
Bachelors Degree9,51112.27%
Graduate Degree4,7566.14%
High School Graduate27,52835.52%
Less Than 9th Grade1,9352.5%
Some College19,61925.32%

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
White67,43563,11613,091
Hispanic6,0194,022510
2+ Races2,5322,274333
Other Race2,1331,227158
Black2,0801,57697
Asian656634329
Native American35260
Islander191714

The highest rate of high school graduation is among asian people with a rate of 96.65%.

The highest rate of bachelors degrees is among islander people with a rate of 73.68%.

LaSalle County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$54,009$64,969$41,699
Graduate Degree$70,775$89,279$64,233
High School Graduate$37,814$51,420$25,415
Less Than 9th Grade$29,688$35,709$23,724
Overall$45,067$58,426$33,185
Some College$46,306$61,682$33,558

$45,067

Average Earnings

$58,426

Average Male

$33,185

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

92.45% of LaSalle County, Illinois residents speak only English, while 7.55% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.86% of the population.

LaSalle County, Illinois Language

LaSalle County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White89,75511,04012.3%
Hispanic11,1062,26120.36%
Multiple4,87598120.12%
Black2,00956428.07%
Other3,69555915.13%
Asian97010210.52%

13.65%

Overall Poverty Rate

12.38%

Male Poverty Rate

14.93%

Female Poverty Rate

Poverty in LaSalle County, Illinois

The race most likely to be in poverty in LaSalle County, Illinois is Black, with 28.07% below the poverty level.

The race least likely to be in poverty in LaSalle County, Illinois is Asian, with 10.52% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.07%. Among those working part-time, it was 15.24%, and for those that did not work, the poverty rate was 17.68%.

LaSalle County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade21.1%
High School12.76%
Some College9.87%
Bachelors or Greater5.23%

LaSalle County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed39.07%
Male Unemployed34.76%
Female Employed10.05%
Male Employed5.02%

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$83,830$101,583
Households$67,942$85,086
Married Families$98,812$117,994
Non Families$40,027$51,789

mean

median

Income by Household Type

LaSalle County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.8%

Overall Marriage Rate

49.9%

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

6,729

Number of Veterans

6,359

Male Veterans

370

Female Veterans

War
Veterans
Vietnam2,607
First Gulf War1,144
Second Gulf War1,141
Korea403
World War II148

LaSalle County, Illinois Veterans by War

count

Age Group
Veterans
65 to 742,030
35 to 541,462
75+1,366
55 to 641,318
18 to 34553

LaSalle County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White6,2960.08156813971264591
Hispanic3510.04675013319126265
2+ Races3290.10538116591928251
Black390.016581632653061226
Asian350.048209366391184574
Other Race300.010676156583629894

LaSalle County, Illinois Veterans by Race

LaSalle County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.59%

Veteran Poverty Rate

28.6%

Veteran Disability Rate

LaSalle County, Illinois Veterans by Education

LaborForceParticipation

62.8%

Labor Force Participation

59.3%

Employment Rate

5.4%

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

83.69%

Born in LaSalle County, Illinois

96.64%

Native Born

3.36%

Foreign Born

1.91%

Non Citizen

1.45%

Naturalized

Place of Birth

96.64% of LaSalle County, Illinois residents were born in the United States, with 83.69% having been born in Illinois. 1.91% 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