Cities & Towns in Monroe County, IL

Monroe County, county in Illinois, United States. As of 2020 county had an estimated population of 34,739 inhabitants. The county was created 208 years ago in 1816. Its county seat is Waterloo.

There are 6 city/town in Monroe County, IL. The largest city of Monroe County is Columbia with a population of 10,627. Other cities include, Waterloo population 10,536, Valmeyer population 1,238, Hecker population 474, Maeystown population 162

Columbia
Columbia

Columbia, City in Illinois, United States

Waterloo
Waterloo

Waterloo, City in Illinois

Valmeyer

Valmeyer, Human settlement in Illinois, United States of America

All Monroe County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Monroe 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
Columbia City in Illinois, United States 10,627
Fults Village in United States of America 28
Hecker Village in United States of America 474
Maeystown Human settlement in United States of America 162
Valmeyer Human settlement in Illinois, United States of America 1,238
Waterloo City in Illinois 10,536
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County Cities on Map (6)

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)