Cities & Towns in Rock Island County, IL

Rock Island County, county in Illinois, United States. As of 2020 county had an estimated population of 140,907 inhabitants. The county was created 193 years ago in 1831. Its county seat is Rock Island.

There are 15 city/town in Rock Island County, IL. The largest city of Rock Island County is Moline with a population of 41,065. Other cities include, Rock Island population 36,870, East Moline population 20,473, Silvis population 7,473, Coal Valley population 3,719


Moline, The largest city in Rock Island County, Illinois.

Rock Island
Rock Island

Rock Island, City in Illinois

East Moline
East Moline

East Moline, City in Rock Island County, Illinois, United States

Located along the Mississippi River in northwest Illinois, Rock Island County is home to both urban and rural communities. The county's largest city and county seat is Rock Island, which has a population of around 38,000 residents. Along with neighboring Moline, Rock Island forms the Quad Cities metropolitan area that spans the Mississippi River into Iowa.

Aside from the Rock Island-Moline metro area, Rock Island County also contains smaller manufacturing cities like Silvis and East Moline. The historic city of Rock Island Arsenal lies on an island in the Mississippi River between Davenport, Iowa and Rock Island, Illinois. Outside of these urban centers, the county includes smaller towns like Andalusia, Carbon Cliff, and Coyne Center which provide quiet living.

Some of Rock Island County’s most notable features include the Rock River, Black Hawk State Historic Site, and the Quad City International Airport. Augustana College in Rock Island provides an intellectual influence. And miles of scenic trails allow outdoor recreation.

With its unique mix of urban living and rural landscapes, plus a rich history tied to the Mississippi River, Rock Island County provides residents with a diverse array of communities to call home. This post will take a closer look at the cities, towns, and unincorporated places that make up this northwest Illinois county.

All Rock Island County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Rock Island County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title Population
Andalusia Human settlement in Illinois, United States of America 1,088
Buffalo Prairie Township in Rock Island County, Illinois 796
Carbon Cliff City in Illinois, United States of America 1,932
Coal Valley City in Illinois, United States of America 3,719
Cordova Village in the United States 640
East Moline City in Rock Island County, Illinois, United States 20,473
Edgington Township in Rock Island County, Illinois 1,442
Hampton Human settlement in Rock Island County, Illinois, United States of America 1,738
Hillsdale Village in Illinois 502
Moline The largest city in Rock Island County, Illinois. 41,065
Port Byron City in Illinois, United States of America 1,597
Rapids City Human settlement in Rock Island County, Illinois, United States of America 962
Reynolds Village in Illinois, USA 508
Rock Island City in Illinois 36,870
Silvis City in Rock Island County, Illinois, United States 7,473

County Cities on Map (15)

Illinois Counties (102)

Cook County (5,108,284) DuPage County (917,481) Lake County (693,593) Will County (688,726) Kane County (531,010) McHenry County (305,888) Winnebago County (281,295) Madison County (262,635) Saint Clair County (258,046) Champaign County (209,192) Sangamon County (193,882) Peoria County (177,652) McLean County (171,256) Rock Island County (140,907) Tazewell County (130,777) Kendall County (130,638) Kankakee County (108,594) LaSalle County (107,571) DeKalb County (104,491) Macon County (103,015) Vermilion County (74,855) Williamson County (66,415) Adams County (64,783) Jackson County (56,675) Whiteside County (54,656) Boone County (52,777) Grundy County (50,993) Coles County (50,383) Ogle County (50,306) Knox County (49,053) Henry County (48,411) Macoupin County (44,567) Stephenson County (43,831) Woodford County (38,091) Franklin County (38,060) Clinton County (37,398) Jefferson County (37,235) Marion County (37,045) Livingston County (35,414) Monroe County (34,739) Effingham County (34,065) Fulton County (33,690) Lee County (33,647) Morgan County (33,400) Bureau County (32,303) Christian County (32,075) Randolph County (31,351) McDonough County (29,295) Logan County (28,383) Montgomery County (28,045) Iroquois County (26,711) Saline County (23,182) Jersey County (21,616) Shelby County (21,299) Fayette County (21,264) Jo Daviess County (21,239) Perry County (20,664) Douglas County (19,510) Crawford County (18,512) Hancock County (17,422) Edgar County (16,858) Warren County (16,696) Union County (16,498) Piatt County (16,355) Bond County (16,262) Wayne County (16,031) Richland County (15,507) Lawrence County (15,467) De Witt County (15,368) Clark County (15,268) Pike County (15,239) Mercer County (15,225) Moultrie County (14,347) Carroll County (14,241) Washington County (13,764) Massac County (13,636) White County (13,364) Mason County (13,173) Clay County (13,079) Ford County (12,949) Greene County (12,702) Johnson County (12,358) Menard County (12,068) Cass County (11,925) Marshall County (11,309) Wabash County (11,190) Cumberland County (10,649) Jasper County (9,465) Hamilton County (8,084) Schuyler County (6,738) Brown County (6,546) Henderson County (6,535) Edwards County (6,356) Putnam County (5,716) Alexander County (5,497) Stark County (5,262) Pulaski County (5,201) Scott County (4,950) Gallatin County (4,793) Calhoun County (4,616) Pope County (4,142) Hardin County (3,808)