LaSalle County, Illinois Population 2023

108,377

LaSalle County, Illinois's estimated 2023 population is 108,377 with a growth rate of -0.39% 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 113,924 and has seen a growth of -4.87% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
2010113,924
2011113,497-427-0.37%
2012113,070-427-0.38%
2013112,643-427-0.38%
2014112,216-427-0.38%
2015111,789-427-0.38%
2016111,362-427-0.38%
2017110,935-427-0.38%
2018110,508-427-0.38%
2019110,081-427-0.39%
2020109,658-423-0.38%
2021109,231-427-0.39%
2022108,804-427-0.39%
2023108,377-427-0.39%
showing: 14 rows
2023 Growth Rate
-0.39% (-427)
County Website
LaSalle County
Founded
January 15, 1831
County Seat
Ottawa
2010 Population
113,924
Growth Since 2010
-4.87% (-5,547)

LaSalle County, Illinois Population 2023

Population by Race

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Race
Population
Percentage (of total)
White98,39389.46%
Two or more races4,0173.65%
Other race3,4753.16%
Black or African American3,0052.73%
Asian1,0400.95%
Native American350.03%
Native Hawaiian or Pacific Islander210.02%
showing: 7 rows

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 2023

LaSalle County, Illinois Median Age

41.8

Total

40.5

Male

43.3

Female

LaSalle County, Illinois Adults

There are 86,278 adults, (20,691 of whom are seniors) in LaSalle County, Illinois.

LaSalle County, Illinois Age Dependency

67.7

Age Dependency Ratio

31.5

Old Age Dependency Ratio

36.1

Child Dependency Ratio

LaSalle County, Illinois Sex Ratio

Female54,21349.29%
Male55,77350.71%

LaSalle County, Illinois Population by Age

LaSalle County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All44,8732.3872.427.6
Married21,591388.211.8
Non Family15,7851.1860.539.5
Female5,4393.0748.151.9
Male2,0583.2262.337.7
showing: 5 rows

2.92

Average Family Size

2.38

Average Household Size

72.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

LaSalle County, Illinois Households and Families

Male

Female

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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

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The highest rate of high school graduation is among islander people with a rate of 85.71%.

The highest rate of bachelors degrees is among islander people with a rate of 66.67%.

LaSalle County, Illinois Educational Attainment by Race

All

Male

Female

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$40,855

Average Earnings

$54,304

Average Male

$29,975

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

92.39% of LaSalle County, Illinois residents speak only English, while 7.61% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.69% of the population.

LaSalle County, Illinois Language

LaSalle County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White90,90211,34512.48%
Hispanic10,7291,84817.22%
Multiple3,88577319.9%
Black1,88964734.25%
Other3,3773309.77%
Asian1,03528527.54%
showing: 6 rows

13.68%

Overall Poverty Rate

12.12%

Male Poverty Rate

15.24%

Female Poverty Rate

Poverty in LaSalle County, Illinois

The race most likely to be in poverty in LaSalle County, Illinois is Black, with 34.25% below the poverty level.

The race least likely to be in poverty in LaSalle County, Illinois is Other, with 9.77% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.99%. Among those working part-time, it was 14.91%, and for those that did not work, the poverty rate was 17.04%.

LaSalle County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade17.5%
High School12.23%
Some College9.94%
Bachelors or Greater5.46%
showing: 4 rows

LaSalle County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed42.53%
Male Unemployed30.57%
Female Employed9.84%
Male Employed5.11%
showing: 4 rows

LaSalle County, Illinois Poverty Rate by Employment Status and Sex

LaSalle County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

LaSalle County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.9%

Overall Marriage Rate

50.1%

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

7,023

Number of Veterans

6,717

Male Veterans

306

Female Veterans

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LaSalle County, Illinois Veterans by War

count

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LaSalle County, Illinois Veterans by Age

count

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LaSalle County, Illinois Veterans by Race

LaSalle County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.05%

Veteran Poverty Rate

28.74%

Veteran Disability Rate

LaSalle County, Illinois Veterans by Education

LaborForceParticipation

63%

Labor Force Participation

59.3%

Employment Rate

5.8%

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

86.14%

Born in LaSalle County, Illinois

99.94%

Native Born

3.41%

Foreign Born

1.82%

Non Citizen

1.59%

Naturalized

Place of Birth

99.94% of LaSalle County, Illinois residents were born in the United States, with 86.14% having been born in Illinois. 1.82% 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