LaSalle County Demographics

A map of LaSalle County's Population by Race

LaSalle County, Illinois had a population of 109,658 in 2020. It was 82.5% White, 2.3% Black, 0.8% Asian, 10.4% Hispanic, 0.4% Native American/Other, and 3.6% Multiracial. This map presents the population of LaSalle County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

LaSalle County is the 17th most populous county of the 102 counties in Illinois.

LaSalle County's White Population

90,445 residents of LaSalle County identify as White, or 82.5%. This makes the White share of the population of LaSalle County considerably larger than the White share of the population of Illinois (58.3% White). Of the 102 counties in Illinois, LaSalle County is ranked #72 in terms of White residents as a share of the population.

LaSalle County is more White than neighboring Kendall County (64.2% White). LaSalle County is less White than neighboring Putnam County (90% White), Grundy County (82.8% White), Marshall County (92.5% White), and Livingston County (88% White).

LaSalle County's Black Population

2,514 residents of LaSalle County identify as Black, or 2.3%. This makes the Black share of the population of LaSalle County slightly less than the Black share of the population of Illinois (13.9% Black). Of the 102 counties in Illinois, LaSalle County is ranked #51 in terms of Black residents as a share of the population.

LaSalle County is more Black than neighboring Putnam County (0.5% Black), Grundy County (1.6% Black), and Marshall County (0.7% Black). LaSalle County is less Black than neighboring Kendall County (7.4% Black), and Livingston County (3% Black).

LaSalle County's Asian Population

855 residents of LaSalle County identify as Asian, or 0.8%. This makes the Asian share of the population of LaSalle County roughly similar to the Asian share of the population of Illinois (5.8% Asian). Of the 102 counties in Illinois, LaSalle County is ranked #33 in terms of Asian residents as a share of the population.

LaSalle County is more Asian than neighboring Putnam County (0.3% Asian), Marshall County (0.4% Asian), and Livingston County (0.5% Asian). LaSalle County is less Asian than neighboring Grundy County (0.9% Asian), and Kendall County (3.5% Asian).

LaSalle County's Hispanic Population

11,456 residents of LaSalle County identify as Hispanic, or 10.4%. This makes the Hispanic share of the population of LaSalle County slightly less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 102 counties in Illinois, LaSalle County is ranked #18 in terms of Hispanic residents as a share of the population.

LaSalle County is more Hispanic than neighboring Putnam County (6.2% Hispanic), Marshall County (2.8% Hispanic), and Livingston County (5.2% Hispanic). LaSalle County is less Hispanic than neighboring Grundy County (10.9% Hispanic), and Kendall County (20.6% Hispanic).

LaSalle County's Native American/Other Population

458 residents of LaSalle County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of LaSalle County roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 102 counties in Illinois, LaSalle County is ranked #48 in terms of Native American/Other residents as a share of the population.

LaSalle County is more Native American/Other than neighboring Putnam County (0.3% Native American/Other). LaSalle County is less Native American/Other than neighboring Kendall County (0.5% Native American/Other).

LaSalle County's Multiracial Population

3,930 residents of LaSalle County identify as Multiracial, or 3.6%. This makes the Multiracial share of the population of LaSalle County roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 102 counties in Illinois, LaSalle County is ranked #39 in terms of Multiracial residents as a share of the population.

LaSalle County is more Multiracial than neighboring Putnam County (2.7% Multiracial), Grundy County (3.5% Multiracial), Marshall County (3.3% Multiracial), and Livingston County (3% Multiracial). LaSalle County is less Multiracial than neighboring Kendall County (3.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.