Rock Island County, IL

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Main / Illinois / Rock Island County / Cities / By population

Rock Island County, Illinois cities by population

Number of cities: 17
Population: 144,694
Largest city: Moline
Table of cities in Rock Island County, Illinois sorted by population from largest to smallest.
CityTypePopulation
Molinecity42,660
Rock Islandcity37,519
East Molinecity21,181
Silviscity7,942
Milanvillage5,096
Coal Valleyvillage3,835
Port Byronvillage1,999
Carbon Cliffvillage1,975
Hamptonvillage1,911
Andalusiavillage1,250
Coyne CenterCDP1,019
Rapids Cityvillage950
Cordovavillage730
Reynoldsvillage673
Hillsdalevillage532
Oak Grovevillage411
Rock Island ArsenalCDP331

What is the largest city in Rock Island County, Illinois?

Moline is the largest city in Rock Island County, Illinois with a population of 42,660.

TOP-5 cities by population in Rock Island County, Illinois:
  • Moline
  • Rock Island
  • East Moline
  • Silvis
  • Milan