Rock Island County, IL

Illinois

Comprehensive geographic, population, and economic data for Rock Island County in Illinois.

Total ZIP Codes 20
Total Population 143,264
Avg Household Income $78,679
Avg Home Value $179,509

Largest Cities in Rock Island County

City Population
Moline 42,197
Rock Island 36,151
East Moline 20,904
Silvis 7,955
Milan 5,034
Coal Valley 4,229
Carbon Cliff 2,151
Hampton 1,926
Port Byron 1,854
Andalusia 1,021
Rapids City 980
Coyne Center 904
Cordova 666
Reynolds 584
Rock Island Arsenal 470

Most Populated ZIP Codes

ZIP Code City Population
61265 Moline 43,748
61201 Rock Island 36,766
61244 East Moline 23,308
61264 Milan 10,073
61282 Silvis 8,394
61240 Coal Valley 5,795
61275 Port Byron 4,253
61284 Taylor Ridge 2,599
61256 Hampton 1,926
61232 Andalusia 1,469
61239 Carbon Cliff 1,189
61242 Cordova 1,135
61259 Illinois City 1,053
61257 Hillsdale 844
61278 Rapids City 678

All Cities in Rock Island County (26)

Andalusia Pop: 1,021
Barstow Pop: 34
Buffalo Prairie Pop: 9
Campbell's Island Pop: 203
Carbon Cliff Pop: 2,151
Coal Valley Pop: 4,229
Cordova Pop: 666
Coyne Center Pop: 904
East Moline Pop: 20,904
Edgington Pop: 390
Fruitland Pop: 43,748
Hampton Pop: 1,926
Hillsdale Pop: 451
Illinois City Pop: 73
Joslin Pop: 56
Milan Pop: 5,034
Moline Pop: 42,197
Oak Grove Pop: 277
Osborn Pop: 844
Port Byron Pop: 1,854
Rapids City Pop: 980
Reynolds Pop: 584
Rock Island Pop: 36,151
Rock Island Arsenal Pop: 470
Silvis Pop: 7,955
Taylor Ridge Pop: 276

All ZIP Codes in Rock Island County (20)

61201 Rock Island
61204 Rock Island
61232 Andalusia
61236 Barstow
61237 Buffalo Prairie
61239 Carbon Cliff
61240 Coal Valley
61242 Cordova
61244 East Moline
61256 Hampton
61257 Hillsdale
61259 Illinois City
61264 Milan
61265 Moline
61266 Moline
61275 Port Byron
61278 Rapids City
61282 Silvis
61284 Taylor Ridge
61299 Rock Island