LaSalle County, IL Population

Overview

109,986

Total Population

41.8

Median age

49.29%

Female population %

102.9:100

Gender ratio (M:F)

55-59 years

Largest age group

56.9

Total dependency ratio

White

Largest racial group

11,143

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

LaSalle County's population is old compared to the rest of the country:

The median age in LaSalle County is 41.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
LaSalle County's population under 18 was 21.56%, compared to the 22.51% nationwide.
LaSalle County's elderly or the senior population (over 65 age) was 18.81% as compared to 16.04% nationwide.
Of the total population in LaSalle County, 17.44% were under the age of 15, 18.10% aged 15 to 29, 45.65% aged 30 to 64, 16.18% aged 65 to 84, and 2.63% were 85 years of age and older.

There are 1,560 less females than males in LaSalle County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.29% females and 50.71% males in LaSalle County, IL.
The LaSalle County, IL gender ratio is 102.9:100 i.e. 102.9 men to 100 women (1.029).
For male population, the largest age group is 55-59 years with a population of 4,383.
For the female population, the largest age group is 55-59 years with a population of 4,377.

LaSalle County's population has become increasingly diverse:

Racial distribution of LaSalle County population: 89.46% are White, 2.73% are Black or African American, 0.03% are American Indian and Alaska Native, 0.95% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 3.16% are some other race and 3.65% are multiracial.
LaSalle County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 11,143 is Hispanic or Latino (of any race), and 98,843 (89.87% of the total population) is Non-Hispanic.
The largest racial group in LaSalle County is White with a population of 98,393 (89.46% of the total population).

LaSalle County's population has already reached its peak and is showing a trend of decline:

The peak population was 113,812 in the year 2010
From 2000 to 2010, LaSalle County's population increased by 2,244 (2.01%), as compared to the national growth of 9.63%.
From 2010 to 2020, LaSalle County's population decreased by 4,391 (3.86%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, LaSalle County's population was lowest in year 2022 at 108,078.