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County · Indiana

Lake County

502,955Population
0.9 %Change since 2020
743Net migration
5.1 %Unemployment rate

Facts

Population
502,955 (2024)
Change since 2020
0.9 %
Net migration
743 (2023)
Unemployment rate
5.1 % (2025)
State
Indiana
Population base, April 2020
498,695 (2020)
Births
5,380 (2023)
Births per 1,000 residents, 2023
10.7
Deaths
5,478 (2023)
Deaths per 1,000 residents, 2023
10.9
Natural change, 2023
-98
International migration
786 (2023)
Domestic migration
-43 (2023)
Net migration per 1,000, 2023
1.5
Postal code
IN
FIPS code
18089

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

Unemployment rate, annual average

199020255.16.2
PeriodValue
20255.1 %
20245.5 %
20235.0 %
20224.6 %
20216.4 %
202010.3 %
20194.8 %
20184.9 %
20175.0 %
20166.2 %
20156.8 %
20147.9 %

Population estimates, 2020–2024

20202024503K499K
PeriodValue
2024502,955
2023500,591
2022500,065
2021499,319
2020498,963