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County · Illinois

Grundy County

53,835Population
2.4 %Change since 2020
414Net migration
4.7 %Unemployment rate

Facts

Population
53,835 (2024)
Change since 2020
2.4 %
Net migration
414 (2023)
Unemployment rate
4.7 % (2025)
Population base, April 2020
52,554 (2020)
Births
537 (2023)
Births per 1,000 residents, 2023
10.0
Deaths
504 (2023)
Deaths per 1,000 residents, 2023
9.4
Natural change, 2023
33
International migration
93 (2023)
Domestic migration
321 (2023)
Net migration per 1,000, 2023
7.7
Postal code
IL
FIPS code
17063

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

Unemployment rate, annual average

199020254.79.1
PeriodValue
20254.7 %
20245.3 %
20234.3 %
20224.6 %
20215.0 %
20208.4 %
20194.4 %
20184.6 %
20175.6 %
20166.7 %
20157.0 %
20148.9 %

Population estimates, 2020–2024

2020202453.8K52.5K
PeriodValue
202453,835
202353,587
202253,153
202152,984
202052,535