1. Home
  2. Counties
  3. Illinois
  4. Rock Island County
County · Illinois

Rock Island County

142,731Population
-1.3 %Change since 2020
312Net migration
5.2 %Unemployment rate

Facts

Population
142,731 (2024)
Change since 2020
-1.3 %
Net migration
312 (2023)
Unemployment rate
5.2 % (2025)
Population base, April 2020
144,665 (2020)
Births
1,505 (2023)
Births per 1,000 residents, 2023
10.5
Deaths
1,666 (2023)
Deaths per 1,000 residents, 2023
11.7
Natural change, 2023
-161
International migration
1,052 (2023)
Domestic migration
-740 (2023)
Net migration per 1,000, 2023
2.2
Postal code
IL
FIPS code
17161

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

Unemployment rate, annual average

199020255.25.1
PeriodValue
20255.2 %
20245.5 %
20235.2 %
20224.5 %
20215.7 %
20209.3 %
20194.9 %
20185.3 %
20175.1 %
20166.2 %
20156.3 %
20147.0 %

Population estimates, 2020–2024

20202024142.7K144.4K
PeriodValue
2024142,731
2023141,939
2022141,812
2021142,943
2020144,360