LaSalle County, Illinois Population 2021

LaSalle County, Illinois's estimated population is 107,689 with a growth rate of -0.45% in the past year according to the most recent United States census data. LaSalle County, Illinois is the 19th largest county in Illinois. The 2010 Population was 113,823 and has seen a growth of -5.39% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021107,689-490-0.45%
2020108,179-490-0.45%
2019108,669-490-0.45%
2018109,159-463-0.42%
2017109,622-593-0.54%
2016110,215-804-0.72%
2015111,019-641-0.57%
2014111,660-770-0.68%
2013112,430-488-0.43%
2012112,918-615-0.54%
2011113,533-290-0.25%
2010113,8236,9106.46%
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%
192092,9252,7933.10%
191090,1322,3562.68%
190087,7766,9788.64%
189080,79810,39514.76%
188070,4039,61115.81%
187060,79212,46025.78%
186048,33230,517171.30%
185017,8158,46790.58%
18409,3480.00%
2021 Growth Rate
-0.45%
County Website
Founded
January 15, 1831
County Seat
2010 Population
113,823
Growth Since 2010
-5.39%
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LaSalle County, Illinois Population Growth

Population by Race

Race Population Percentage
White101,56892.56%
Black or African American2,9372.68%
Some Other Race2,4002.19%
Two or More Races1,9341.76%
Asian7920.72%
American Indian and Alaska Native870.08%
Native Hawaiian and Other Pacific Islander190.02%
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LaSalle County, Illinois Population by Race

LaSalle County, Illinois Population Pyramid $2021

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LaSalle County, Illinois Median Age

41.9


Total

40.4


Male

43.8


Female

LaSalle County, Illinois Adults

There are 86,024 adults, (20,269 of whom are seniors) in LaSalle County, Illinois.

LaSalle County, Illinois Age Dependency

66.9

Age Dependency Ratio

30.8

Old Age Dependency Ratio

36.1

Child Dependency Ratio

LaSalle County, Illinois Sex Ratio

Female

54,492

49.66%

Male

55,245

50.34%

LaSalle County, Illinois Population by Age

LaSalle County, Illinois Renter vs Owner Occupied by Household Type

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LaSalle County, Illinois Household Types

Type Owner Renter
Married87%13%
All71.8%28.2%
Non Family59.9%40.1%
Male57.2%42.8%
Female49.4%50.6%

71.8%

Rate of Home Ownership

LaSalle County, Illinois Households and Families

Type Count Average Size Owned
All45,0952.3671.8
Married21,9902.9787
Non Family15,7781.1759.9
Female5,1533.1249.4
Male2,1743.0157.2

2.9

Average Family Size

2.36

Average Household Size

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LaSalle County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,3513.04%
9th to 12th Grade6,4658.37%
High School Graduate27,54235.64%
Some College19,29124.96%
Associates Degree7,84210.15%
Bachelors Degree9,03511.69%
Graduate Degree4,7496.15%
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LaSalle County, Illinois Educational Attainment by Sex (over 25)

LaSalle County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White68,65262,64012,915
Hispanic5,5013,493505
Black1,8331,18133
Other Race1,37366543
2+ Races865737118
Asian507506238
Native American662918
Islander1919

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 46.94%.

LaSalle County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$37,457$50,681$26,605
Less Than 9th Grade$21,773$24,711$19,535
High School Graduate$31,396$42,306$22,044
Some College$39,213$56,762$25,986
Bachelors Degree$44,926$57,278$36,125
Graduate Degree$61,675$81,014$57,225

$37,457

Average Earnings

$50,681

Average Male

$26,605

Average Female

LaSalle County, Illinois Earnings by Educational Attainment

LaSalle County, Illinois Language by Age

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LaSalle County, Illinois Language

92.35% of LaSalle County, Illinois residents speak only English, while 7.65% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.73% of the population.

LaSalle County, Illinois Language

LaSalle County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White91,88610,73211.68%
Hispanic10,2882,17221.11%
Black1,73778445.14%
Multiple1,87458131.00%
Other2,36839716.77%
Asian769587.54%

13.35%

Overall Poverty Rate

12.05%

Male Poverty Rate

14.64%

Female Poverty Rate

Poverty in LaSalle County, Illinois

The race most likely to be in poverty in LaSalle County, Illinois is Black, with 45.14% below the poverty level.

The race least likely to be in poverty in LaSalle County, Illinois is Asian, with 7.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.31%. Among those working part-time, it was 15.24%, and for those that did not work, the poverty rate was 17.41%.

LaSalle County, Illinois Poverty

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Name Poverty
Less Than 9th Grade17.86%
High School11.49%
Some College9.41%
Bachelors or Greater5.08%

LaSalle County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed46.01%
Male Unemployed37.00%
Female Employed9.60%
Male Employed4.70%

LaSalle County, Illinois Poverty Rate by Employment Status and Sex

LaSalle County, Illinois Income by Household Type

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Name Median Mean
Households$58,142$72,700
Families$71,049$85,722
Married Families$83,173$98,235
Non Families$32,278$45,317
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Income by Household Type

LaSalle County, Illinois Marital Status

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Marriage Rates

50.8%

Overall Marriage Rate

50.8%

Male Marriage Rate

50.9%

Female Marriage Rate

LaSalle County, Illinois Married by Age and Sex

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LaSalle County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

LaSalle County, Illinois Marital Status by Race

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LaSalle County, Illinois Marital Status

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7,043

Number of Veterans

6,774

Male Veterans

269

Female Veterans

War Veterans
Vietnam2,592
Second Gulf War867
First Gulf War827
Korea575
World War II392

LaSalle County, Illinois Veterans by War

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Age Group Veterans
65 to 742,227
75+1,833
35 to 541,333
55 to 641,084
18 to 34566

LaSalle County, Illinois Veterans by Age

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Name Veterans % of Total
White6,9518.66%
Hispanic1141.69%
2+ Races403.83%
Black311.33%
Other Race120.70%
Asian71.28%
Native American22.30%

LaSalle County, Illinois Veterans by Race

LaSalle County, Illinois Veterans by Education

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7.51%

Veteran Poverty Rate

30.99%

Veteran Disability Rate

LaSalle County, Illinois Veterans by Education

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62%

Labor Force Participation

58.4%

Employment Rate

5.8%

Unemployment Rate

LaSalle County, Illinois Employment by Age

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LaSalle County, Illinois Employment by Race

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LaSalle County, Illinois Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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83.36%

Born in LaSalle County, Illinois

96.32%

Native Born

3.68%

Foreign Born

1.93%

Non Citizen

1.75%

Naturalized

Place of Birth

96.32% of LaSalle County, Illinois residents were born in the United States, with 83.36% having been born in Illinois. 1.93% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources