Monroe County, Illinois Basics:

Monroe County Illinois - Government Site

Population: 33,310
Area: 385 square miles
County seat: Waterloo
Area code(s) in use: 618
Time zone: CST
High school graduate or higher: 92.9%
Bachelor's degree or higher: 25.5%
Median household income: $71,033
Persons in poverty: 4.9%
Home ownership rate: 82.0%
Mean travel time to work: 29.3 minutes

Adjacent counties:
City of St. Louis (MO)  Jefferson (MO)  Randolph  St. Clair  St. Louis (MO)  Ste. Genevieve (MO)  

Find in Illinois

Map of the Monroe County area

Our detail map of Monroe County shows the Monroe County, Illinois boundary lines and other interesting items.

Places in Monroe County, Illinois

  Airports     show all on map

Crook RLA Airport, Duclos RLA Airport, King Airport, Our Lady Immaculata Airport, Quint/King Heliport, Ralph Jacobs Airport, Ralph Jacobs Airport, Sackman Field Airport, Smith RLA Airport, Smith RLA Airport

  Buildings     show all on map

Columbia Emergency Medical Services, Columbia Volunteer Fire Department, Durfee Post Light, Hecker Fire Protection District, Maeystown Volunteer Fire Department, Monroe County Ambulance, Monroe County Courthouse, Monroe County Fire Department, Morrison-Talbott Library, Valmeyer Fire Protection District, Waterloo Community Rural Fire Protection District

  Canals     show all on map

Fults Creek Ditch, Selma Ditch

  Capes     show all on map

Penitentiary Point

  Cemeteries     show all on map

Brickey Cemetery, Burksville Cemetery, City Cemetery, Deer Hill Cemetery, Devore Cemetery, Dick Cemetery, Eagle Cliff Cemetery, Eilers Cemetery, Fanning Joseph Cemetery, Flatford Cemetery, Gaines Cemetery, Gibbons Cemetery, Gilmore Cemetery, Grant Pass Cemetery, Gravel Springs Cemetery, Hall John W Cemetery, Halligan Rosa Cemetery, Harvey Cemetery, Hecker Cemetery, Hembough John Cemetery, Hembrough Richard Cemetery, Hoagland Louisa Cemetery, Holy Cross Cemetery, Holy Cross Cemetery, Holy Cross Cemetery, Horrell Cemetery, Huffaker Cemetery, Immaculate Conception Cemetery, Immanuel Cemetery, Jameserson Cemetery, Koch Cemetery, Kolmer Cemetery, Lemen Cemetery, Madonnaville Cemetery, Martini Cemetery, McConkey Cemetery, Monroe City Cemetery, Moores Cemetery, New Design Historical Cemetery, New Hanover Cemetery, Palmer Cemetery, Rebenack Cemetery, Saint Johns Cemetery, Saint Johns Cemetery, Saint Johns Cemetery, Saint Marcus Cemetery, Saint Marys Cemetery, Saint Pauls Cemetery, Saints Peter and Paul Cemetery, Shoemaker Cemetery, Studt Cemetery, Wallace Cemetery, Woodson Garden Cemetery, Zion Cemetery

  Churches     show all on map

Bethany United Church, Church of God, Concord Presbyterian Church, Deer Hill Church, First Baptist Church of Waterloo, First Church, Friedens United Church of Christ, Holy Cross Church, Immanuel Church (historical), Immanuel Lutheran Church, Johanna Church (historical), Kingdom Hall, Saint Augustine Catholic Church, Saint Johns Church (historical), Saint Marcus Chapel, Saint Pauls Church, Saints Peter and Paul Catholic Church, Salem Church, The Church of Jesus Christ of Latter Day Saints, Tiptown Church (historical), Zoar Church

  Crossings     show all on map

Interchange 6

  Dams     show all on map

Columbia Sportsman Club Lake Dam, Hill Lake Dam, Illinois No Name Number 2020 Dam, Illinois No Name Number 2027 Dam, Lake Emmett Dam, Lake Loudel Dam, Lake Mildred Dam, Lake Ronnie Dam, Waterloo New Reservoir Dam, Waterloo Reservoir Number 1 Dam, Waterloo Reservoir Number 2 Dam, Waterloo Sportsman Club Lake Dam Number 1, Waterloo Sportsman Club Lake Dam Number 2

  Guts     show all on map

Lucas Slough

  Islands     show all on map

Beagles Island, Calico Island, Carroll Island (historical), Meissner Island

  Lakes     show all on map

Beaver Lake, Bissell Lake, Branch Lake (historical), Fish Lake, Foster Pond, Fox Lake, Gilmore Lake, Hill Lake (historical), Howe Lake (historical), Island Lake, Lake Mildred, Long Lake, Luhrwood Lakes, Moredock Lake, Porter Lake, Rainer Lake, Saunders Lake (historical), Sawmill Lake, Shaus Lake, Steppig Lake, Stubblefield Lake, Timber Lake, Twin Lakes, Vogt Lake, Waddle Lake (historical), Wetzler Lake

  Locales     show all on map

Camp Vanderventer, Camp Wartburg, Escarda Dairy, Harrisonville Landing, Kemper Landing, Leber Stock Farm, Maeys, New Hanover Station, Renault Station, Schmeltz Stock Farm

  Military     show all on map

Nike Site SL-40C (historical), Nike Site SL-40L (historical)

  Parks     show all on map

Bolm Schkraft Park, Fogelpole Cave Nature Preserve, Fults Hill Prairie Nature Preserve, Illinois Caverns State Natural Area, Maeystown Historic District, Waterloo Historic District

  Populated Places     show all on map

Ames, Burksville, Burksville Station, Chalfin Bridge, Columbia, Foster Pond (historical), Fountain, Fountain Gap, Fults, Harrisonville, Hecker, Ivy, Kidd, Kise Crossing, Lemens, Madonnaville, Maeystown, Merrimac, Millstadt Junction, Mitchie, Monroe City, New Hanover, Renault, Saint Joe, Saint Philip (historical), Tipton, Valmeyer, Warnock, Wartburg, Waterloo, Woodville (historical)

  Post Offices     show all on map

Columbia Post Office, Renault Post Office, Valmeyer Post Office, Valmeyer Post Office, Waterloo Post Office

  Reservoirs     show all on map

Columbia Sportsman Club Lake, Hill Lake, Lake Emmett, Lake Loudel, Lake Ronnie, Stone Lake, Waterloo New Reservoir, Waterloo Reservoir Number 1, Waterloo Reservoir Number 2, Waterloo Sportsman Club Lake

  Ridges     show all on map

Tamarawa Ridge

  Schools     show all on map

Baum School (historical), Blackburn School (historical), Bluff School (historical), Boxtown School (historical), Brickey School (historical), Burksville School (historical), Central School, Clifford School (historical), Collier School (historical), Columbia Elementary School, Columiba High School, Copp School (historical), Deer Hill School (historical), Etter School (historical), Gall School (historical), Gibault High School, Goeddeltown School (historical), Grant School (historical), Hayden School (historical), Holcomb School (historical), Holy Cross School, Kennif School (historical), Kirsch School (historical), Lohrberg School (historical), Long Lake School (historical), Martini School (historical), Maus School (historical), McBride School (historical), McQuillan School (historical), Miles Hollow School, Mitchie School (historical), Mueller School (historical), O'Leary School (historical), Oak Grove School (historical), Old Rock School, Poe School (historical), Portland School, Posten School (historical), Riverview School (historical), Rockhouse School, Round Prairie School (historical), Saint Augustine Catholic School, Sand Bank School (historical), Schroeder School (historical), Shoemaker School (historical), Stringtown School (historical), Upper School (historical), Valmeyer Community School, Varnum School (historical), W J Zahnow Elementary School, Walnut Grove School, Waterloo High School, Waterloo Junior High School, Yankeetown School (historical)

  Springs     show all on map

Terry Spring

  Streams     show all on map

Andys Run, Bond Creek, Bradley Branch, Carr Creek, Dry Fork, Dry Run, Fountain Creek, Fults Creek, Gerhardt Creek, Hesterburg Creek, Hill Creek, Hill Lake Creek, Kopp Creek, Little Carr Creek, Long Slash Creek, Maeystown Creek, Monroe City Creek, Old Maeystown Creek, Onemile Race Creek, Palmer Creek, Prairie Branch, Prairie du Long Creek, Richland Creek, Rockhouse Creek, Rocky Branch, South Fork Horse Creek, Walters Creek, Wilson Creek

  Summits     show all on map

Potato Hill

  Swamps     show all on map

Cavanah Lake

  Valleys     show all on map

Dennis Hollow, Monroe City Hollow, Morrison Hollow, Schaeffer Hollow, Trout Hollow,

Monroe County, Illinois Population By Race (2012 estimate)

WhiteMonroe County White population 32,71032,710  
MixedMonroe County Mixed population 266266
AsianMonroe County Asian population 167166
BlackMonroe County Black population 10099
American IndianMonroe County American Indian population 6766
Hawaiian & Pacific IslanderMonroe County Hawaiian & Pacific Islander population 00

Additional population tables :
State population table
Illinois population by county