LaSalle County, Illinois

30 cities & places have their primary county here.

Population: 109,049
Median household income: $72,281
Median home value: $154,900

LaSalle County, Illinois counts 109,049 residents. 30 cities and places have their primary county here. Its median household income of $72,281 runs below the Illinois figure of $81,702.

Between 2019 and 2023, LaSalle County's population held roughly steady from 109,737 to 109,049, while its median household income rose 24.3% from $58,142 to $72,281.

The largest age group is 5 to 17, 16.0% of residents. White (non-Hispanic) residents are the largest group, 83.0% of the population.

Demographics

ACS 2019–2023

Population: 109,049
Median age: 42.1 yrs
Median household income: $72,281
Median home value: $154,900
Median gross rent: $906
Housing units: 49,838
Homeownership rate: 73.9%
Bachelor's degree or higher: 18.7%
Unemployment rate: 5.7%

Trends

ACS 5-year · 2019–2023

Population

109,737109,049

Median household income

$58,142$72,281

Median home value

$127,200$154,900

Median gross rent

$777$906

Year	Population	Median household income	Median home value	Median gross rent
2019	109,737	$58,142	$127,200	$777
2020	108,998	$60,069	$130,600	$785
2021	109,986	$62,825	$133,200	$821
2022	109,495	$67,942	$147,400	$874
2023	109,049	$72,281	$154,900	$906

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.3%

5 to 1716.0%

18 to 247.8%

25 to 3412.1%

35 to 4412.5%

45 to 5411.9%

55 to 6414.9%

65 to 7411.4%

75 and over8.0%

	Count	Share
Under 5	5,739	5.3%
5 to 17	17,495	16.0%
18 to 24	8,559	7.8%
25 to 34	13,210	12.1%
35 to 44	13,591	12.5%
45 to 54	13,016	11.9%
55 to 64	16,231	14.9%
65 to 74	12,484	11.4%
75 and over	8,724	8.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	90,539	83.0%
Black or African American	2,880	2.6%
American Indian & Alaska Native	13	0.0%
Asian	929	0.9%
Native Hawaiian & Pacific Islander	5	0.0%
Some other race	217	0.2%
Two or more races	2,660	2.4%
Hispanic or Latino (any race)	11,806	10.8%

Educational attainment (age 25+)

No high school diploma8.6%

High school graduate36.0%

Some college or associate's36.7%

Bachelor's degree12.8%

Graduate or professional degree6.0%

	Count	Share
No high school diploma	6,662	8.6%
High school graduate	27,783	36.0%
Some college or associate's	28,328	36.7%
Bachelor's degree	9,877	12.8%
Graduate or professional degree	4,606	6.0%

Commute to work

Mean travel time to work: 26 min

Drove alone84.0%

Carpooled8.2%

Public transit0.1%

Walked1.7%

Bicycle0.3%

Worked from home4.6%

Other means1.0%

How workers get to work

	Count	Share
Drove alone	42,605	84.0%
Carpooled	4,136	8.2%
Public transit	65	0.1%
Walked	875	1.7%
Bicycle	174	0.3%
Worked from home	2,311	4.6%
Other means	530	1.0%

Travel time

	Count	Share
Under 15 min	19,249	39.8%
15 to 29 min	13,740	28.4%
30 to 44 min	6,885	14.2%
45 to 59 min	3,028	6.3%
60+ min	5,483	11.3%

Households

Average household size: 2.35
Poverty rate: 13.5% (14,227 of 105,677)

	Count	Share
Family households	28,993	64.3%
Nonfamily households	16,099	35.7%

Housing

Median year structure built: 1963

Occupancy

	Count	Share
Occupied	45,092	90.5%
Vacant	4,746	9.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	33,328	73.9%
Renter-occupied	11,764	26.1%

1-unit, detached79.2%

1-unit, attached2.7%

2 to 4 units7.9%

5 to 19 units4.0%

20 or more units2.5%

Mobile home & other3.8%

Units in structure

	Count	Share
1-unit, detached	39,479	79.2%
1-unit, attached	1,323	2.7%
2 to 4 units	3,913	7.9%
5 to 19 units	1,985	4.0%
20 or more units	1,265	2.5%
Mobile home & other	1,873	3.8%

Geography

County GEOID: 17099
State: Illinois
Land area: 1,135 sq mi
Water area: 13 sq mi
Center point: 41.3433, -88.8859

Compare with nearby counties

Other counties in Illinois

101