LaSalle County, Illinois Population 2020

LaSalle County, Illinois's estimated population is 108,928 with a growth rate of -0.23% in the past year according to the most recent United States census data. LaSalle County, Illinois is the 18th largest county in Illinois.

Year Population Growth Growth Rate
2020108,928-251-0.23%
2019109,179-251-0.23%
2018109,430-251-0.23%
2017109,681-522-0.47%
2016110,203-820-0.74%
2015111,023-646-0.58%
2014111,669-759-0.68%
2013112,428-485-0.43%
2012112,913-608-0.54%
2011113,521-295-0.26%
2010113,8166,9036.46%
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%
2020 Growth Rate
-0.23%
County Website
Founded
January 15, 1831
County Seat

LaSalle County, Illinois Population Growth

Population by Race

Race Population Percentage
White102,93293.23%
Black or African American2,7872.52%
Some Other Race1,8231.65%
Two or More Races1,7121.55%
Asian8600.78%
American Indian and Alaska Native2660.24%
Native Hawaiian and Other Pacific Islander210.02%

LaSalle County, Illinois Population Pyramid 2020

LaSalle County, Illinois Median Age

41.8


Total

40.5


Male

43.6


Female

LaSalle County, Illinois Adults

There are 86,366 adults, (19,959 of whom are seniors) in LaSalle County, Illinois.

LaSalle County, Illinois Age Dependency

66.2

Age Dependency Ratio

30.1

Old Age Dependency Ratio

36.2

Child Dependency Ratio

LaSalle County, Illinois Sex Ratio

Female

55,001

49.82%

Male

55,400

50.18%

LaSalle County, Illinois Households and Families

LaSalle County, Illinois Renter vs Owner Occupied by Household Type

LaSalle County, Illinois Household Types

Type Owner Renter
Married87.2%12.8%
All72.5%27.5%
Male60.4%39.6%
Non Family59.6%40.4%
Female53.4%46.6%

72.5%

Rate of Home Ownership

Type Count Average Size Owned
All44,6442.472.5
Married21,945387.2
Non Family15,0921.1859.6
Female5,4433.0953.4
Male2,1643.0660.4

2.93

Average Family Size

2.4

Average Household Size

6.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

LaSalle County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade2,4603.18%
9th to 12th Grade6,3028.14%
High School Graduate27,57335.62%
Some College19,34224.99%
Associates Degree7,84910.14%
Bachelors Degree9,19211.87%
Graduate Degree4,6956.06%

LaSalle County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White69,06462,98513,030
Hispanic5,3753,475483
Black1,7791,20254
Other Race1,08652438
Multiple Races65355199
Asian565517229
Native American1405919
Islander1717

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 40.53%.

Name Average Male Female
Overall$36,750$49,144$26,203
Less Than High School$21,433$24,263$17,987
High School Grad$31,613$41,692$21,353
Some College$38,035$54,176$25,043
Bachelors Degree$44,117$56,831$36,244
Graduate Degree$60,455$78,254$55,526

$36,750

Average Earnings

$49,144

Average Male

$26,203

Average Female

LaSalle County, Illinois Language

LaSalle County, Illinois Language by Age

LaSalle County, Illinois Language

92.74% of LaSalle County, Illinois residents speak only English, while 7.26% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.36% of the population.

LaSalle County, Illinois Poverty

LaSalle County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White92,82310,78211.62%
Hispanic10,1722,38923.49%
Black1,65569441.93%
Multiple1,63252732.29%
Other1,82235119.26%
Asian84013616.19%
Native2517027.89%
Islander21419.05%

13.51%

Overall Poverty Rate

11.42%

Male Poverty Rate

15.56%

Female Poverty Rate

Poverty in LaSalle County, Illinois

The race most likely to be in poverty in LaSalle County, Illinois is Black, with 41.93% below the poverty level.

The race least likely to be in poverty in LaSalle County, Illinois is White, with 11.62% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.97%. Among those working part-time, it was 16.14%, and for those that did not work, the poverty rate was 17.42%.

Name Poverty
Less Than High School18.62%
High School12.48%
Some College9.15%
Bachelors or Greater5.13%
Name Poverty
Female Unemployed43.24%
Male Unemployed31.91%
Female Employed10.58%
Male Employed4.30%

LaSalle County, Illinois Income

LaSalle County, Illinois Income by Household Type

Name Median Mean
Households$56,243$70,670
Families$68,807$82,576
Married Families$80,875$94,553
Non Families$31,416$44,426

LaSalle County, Illinois Marital Status

LaSalle County, Illinois Marital Status

Marriage Rates

50.5%

Overall Marriage Rate

50.3%

Male Marriage Rate

50.8%

Female Marriage Rate

LaSalle County, Illinois Married by Age and Sex

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 45-54.

LaSalle County, Illinois Marital Status by Race

LaSalle County, Illinois Veterans

7,150

Number of Veterans

6,846

Male Veterans

304

Female Veterans

War Veterans
Vietnam2,623
Second Gulf War825
First Gulf War815
Korea704
World War II489
Age Group Veterans
65 to 742,188
75+1,971
35 to 541,405
55 to 641,029
18 to 34557
Name Veterans % of Total
White7,0638.72%
Hispanic1081.64%
2 or More404.76%
Black321.39%
Other70.54%
Asian60.98%
Indian20.96%

$LaSalle County, Illinois Veterans by Education

7.04%

Veteran Poverty Rate

33.04%

Veteran Disability Rate

LaSalle County, Illinois Employment Status

61.6%

Labor Force Participation

57.4%

Employment Rate

6.8%

Unemployment Rate

LaSalle County, Illinois Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

82.86%

Born in Illinois

96.38%

Native Born

3.62%

Foreign Born

1.87%

Non Citizen

Place of Birth

96.38% of LaSalle County, Illinois residents were born in the United States, with 82.86% having been born in Illinois. 1.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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