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County · Illinois

LaSalle County

108,390Population
-1.1 %Change since 2020
427Net migration
5.4 %Unemployment rate

Facts

Population
108,390 (2024)
Change since 2020
-1.1 %
Net migration
427 (2023)
Unemployment rate
5.4 % (2025)
Population base, April 2020
109,646 (2020)
Births
1,117 (2023)
Births per 1,000 residents, 2023
10.3
Deaths
1,321 (2023)
Deaths per 1,000 residents, 2023
12.2
Natural change, 2023
-204
International migration
167 (2023)
Domestic migration
260 (2023)
Net migration per 1,000, 2023
3.9
Postal code
IL
FIPS code
17099

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020255.48.1
PeriodValue
20255.4 %
20245.7 %
20235.7 %
20225.0 %
20216.0 %
20209.2 %
20195.2 %
20185.8 %
20175.5 %
20166.6 %
20156.9 %
20148.1 %

Population estimates, 2020–2024

20202024108.4K109.4K
PeriodValue
2024108,390
2023108,397
2022108,210
2021109,166
2020109,409