Mason County, Illinois Basics:
Mason County Illinois - Government Site
Population: 15,503
Area: 539 square miles
County Seat: Havana
Area Code(s) in use: 309 217
Time Zone: CST
Adjacent counties:
Cass Fulton Logan Menard Schuyler Tazewell
Mason County, Illinois
Map of the Mason County area
Our detail map of Mason County shows Mason County, Illinois boundary lines and other interesting items.
Places in Mason County, Illinois
Airport
Adkins Landing Strip, Baker Airport, Bell Landing Field, Havana Airport, Havana Regional Airport, Johnson Landing Strip, Kreilings Airport, Larry Barrett RLA Airport, Mason District Hospital Heliport, Shissler Seed Company Incorporated Airport
Bay
Cook Harbor, Patterson Bay
Bridge
Hubly Bridge
Building
Crane Creek Town Hall, Havana City Hall, Havana Public Library, Mason City City Hall, Mason County Courthouse, Mason County Jail, Peterville Hall (historical), Salt Creek Townhall
Canal
Allens Grove Ditch, Biggs Ditch, Central Ditch, Fairview Ditch, Furrer Ditch, Hall Ditch, Hardin Ditch, Herget Drainage Ditch, Hurd Lake Ditch, Mason Tazewell Drainage Ditch, McFadden Ditch, Meeker Ditch, Newton Ditch, North Quiver Ditch, Red Oak Ditch, Roos Ditch, Ross Tyrell Ditch, Samuels Ditch, Tomlin Ditch, Waldmeier Ditch, Wash Lake Slough, White and Brown Ditch, White and Rowley Ditch
Cemetery
Albright Cemetery, Allens Grove Cemetery, Ashurst-Friend Cemetery, Baker Cemetery, Bath Cemetery, Baxter Cemetery, Bethel Baptist Church Cemetery, Big Grove Cemetery, Bishop Cemetery, Bowman-Cooper-Keith Cemetery, Carter Cemetery, Chaney Cemetery, Cherry Grove Cemetery, Coon Grove Cemetery, County Poor Farm Cemetery, Crites Cemetery, Danville Cemetery, Deverman Cemetery, Dierker Cemetery, Easton Cemetery, Eckard Cemetery, Fairview Cemetery, Finch Cemetery, Forest City Cemetery, Fosket Cemetery, Fredlander Cemetery, Fullerton Cemetery, Hancock - Pioneer Cemetery, Heater Cemetery, Holstlaw Cemetery, Horstman Cemetery, Hoyt-Parker Cemetery, Jones Cemetery, Kilbourne Cemetery, Kilbourne Cemetery, Kolb-Horstman Cemetery, Langston Cemetery, Laurel Hill Cemetery, Leases Grove Cemetery, Leveldale Cemetery, Lewis Cemetery, Lydia Baldwin Cemetery, Martin Cemetery, Mason City Cemetery, Matanzas Cemetery, Meadow Lawn Cemetery, Melton Cemetery, Minturn Cemetery, Montgomery Cemetery, Morgan Cemetery, Moslander Cemetery, Mount Carmel Cemetery, Mount Zion Cemetery, Mount Zion Cemetery, Neilkirk Cemetery, Neteler Cemetery, New Hope Cemetery, New Lebanon Cemetery, New Lebanon Cemetery, Oak GroveCemetery, Patterson Cemetery, Paul-Scovil-Cross Cemetery, Pleasant Hill Cemetery, Pleasant View Cemetery, Pratt Cemetery, Quiver Presbyterian Cemetery, Rakestraw Cemetery, Roat Cemetery, Saint Fredrick's Catholic Cemetery, Saint John's Luthern Cemetery, Saint Johns Cemetery, Saint Mary's Catholic Cemetery, Samm's Cemetery, Sear's Cemetery, Sisson Cemetery, Snicarte Cemetery, Speckman Cemetery, Steging Cemetery, Susan Conover Cemetery, Swing Grove Cemetery, Tracy Cemetery, Wahfield Cemetery, Wehmhoff Cemetery, Young Cemetery
Church
Bethel Church, Central Christian Church, Christ Lutheran Church, Christian Church, Church of the Nazarene, Egypt Union Church, Fairview Church, First Assembly of God Church, First Baptist Church (historical), First Baptist Church of Mason City, First Christian Church, First United Methodist Church, Kilbourne Baptist Church, Leases Grove Church (historical), Mason City United Methodist Church, Mount Olive Church (historical), Mount Zion Church, New Lebanon Church, Pennsylvania Lane Church, Presbyterian Church, Saint Barnabas Episcopal Church, Saint Columba Catholic Church, Saint Johns Church, Saint Lukes Church, Saint Patrick Catholic Church, Saint Pauls Church, Saint Pauls Evangelical Lutheran Church, Union Church
Civil
Mason County, Township of Allens Grove, Township of Bath, Township of Crane Creek, Township of Forest City, Township of Havana, Township of Kilbourne, Township of Lynchburg, Township of Manito, Township of Mason City, Township of Pennsylvania, Township of Quiver, Township of Salt Creek, Township of Sherman
Flat
Herget Bottoms
Forest
Sand Ridge State Forest
Gut
Anderson Slough, Cross Slough, Deep Slough, East Branch Illinois River, Fish Creek, Hickory Slough, Johnson Slough, Long Branch, McHenry Slough, Mud Slough, Perry Slough, Snicarte Slough
Hospital
Mason District Hospital
Island
Grand Island, Hickory Island, Island of Canton, Knapps Island, Matanzas Island, Sand Island, Snicarte Island
Lake
Agnew Lake, Angelo Lake, Back Lake, Bath Lake, Bell Lake, Bens Lake, Blue Hole, Bowles Lake, Calomel Lake, Chain Lake, Chain Lake, Clear Lake, Cow Lake, Crane Lake, Curtis Lake, Dierker Lake, Ellsberry Lake, Finch Lake, Fish Lake, Grass Lake, Ingram Lake, Jack Lake, Lake Chautauqua, Lange Pond, Little Picket Lake, Liverpool Lake, Matanzas Lake, Mathew Bay, Moscow Lake, Mound Lake, Mud Lake, Negro Lake, Norton Lake, Otter Lake, Picket Lake, Pinoak Lake, Prairie Lake, Pratt Lake, Quiver Lake, Revis Lake, River Swale, Silver Moon Lake, Smith Lake, Spring Lake, Stafford Lake, Stewart Lake, Swan Lake, Weiner Swale, Wilcox Lake, Wily Wake, Wolf Lake
Locale
Clear Lake Outing Club, Jake Wolf Fish Hatchery, Lakewood Golf Course, Mason State Nursery, Mid-State Dragway, Moscow Farm, Pine Campground, Sand Ridge State Forest Headquarters, Sedan Station (historical), Simco Farm
Park
Barton - Sommers Woodland Nature Preserve, Chautaugua National Wildlife Refuge, Chautauqua National Migratory Waterfowl Refuge, H G Rice Park, Henry Allan Gleason Nature Preserve, Long Branch Sand Prairie Nature Preserve, Mason County State Wildlife Refuge and Recreation Area, Matanzas Prairie Nature Preserve, Memorial Park, New Holland Legion Park, Revis Hill Prairie Nature Preserve, Riverfront Park, Rockwell Park, Sand Prairie - Scrub Oak Nature Preserve, Tourist Park
Populated Place
Allen, Baldwin Beach, Bath, Biggs, Bishop, Buzzville, Chautauqua Park, Conover, Easton, Eckard, Forest City, Goofy Ridge, Havana, Kelsey, Kilbourne, Lakewood, Long Branch, Luther, Manito, Mason City, Matanzas, Matanzas Beach, Moscow (historical), Natrona, Peterville, Poplar City, Quiver Beach, Saidora, Snicarte, Teheran, Topeka, Union, White City, White Hall Point (historical), Wolf Lake
Post Office
Chautauqua Post Office, Havana Post Office, Mason City Post Office, Quiver Lake Post Office (historical)
Reservoir
McHarry Pond
Ridge
Red Oak Ridge
School
Allen Grove School (historical), Anderson School (historical), Ash Grove School (historical), Baker School (historical), Beck School (historical), Blackjack School (historical), Boatman School (historical), Bowman School (historical), Brown School (historical), Chaney Union School (historical), Cherry Grove School (historical), Coon School (historical), County Line School (historical), Crescent School (historical), Daniel School (historical), Danville School (historical), Deverman School (historical), Dieffenbacher School (historical), Ebenezer School (historical), Fairview School, Frankenfield School (historical), Frog Pond School (historical), Golden Valley School (historical), Hardin School (historical), Havana High School, Haw Grove School (historical), Herget Grove School (historical), Hickory Grove School (historical), Howarth School (historical), Illini Central High School, Illini Central Middle School, Jones School (historical), Jordan School (historical), Knox School (historical), Lake Grove School (historical), Lake Shore School (historical), Lakeview School (historical), Leases Grove School (historical), Leinweber School (historical), Leveldale School (historical), Matanzas School (historical), McCarty School (historical), Midwest Central High School, Midwest Central Primary School, Mount Carmel School (historical), New Central Elementary School, North Prairie School (historical), Oak Grove Public School (historical), Oneal School (historical), Patterson School (historical), Pennsylvania Lane School (historical), Peterville School (historical), Pleasant Row School (historical), Pleasant Unity School (historical), Pleasant View School (historical), Pollock School (historical), Quiver School (historical), Reavis Spring School (historical), Red Oak School (historical), Reed School (historical), Riverview Public School (historical), Roat School (historical), Rockwell Public School (historical), Rogers School (historical), Saint Pauls Evangelical Lutheran School, Sears Grove School (historical), Sherman Valley School (historical), Singley School (historical), Sleepy Hollow School (historical), South Heater School (historical), Spaits School (historical), Swing Grove School (historical), Trout School (historical), Union School (historical), Union School (historical), Union School (historical), Union School Number 1 (historical), Walker Grove School (historical), Walker School (historical), Wessling School (historical), White Hall School (historical), White Oak School (historical), White School (historical), Wooley School (historical)
Spring
Revis Spring
Stream
Crane Creek, Grove Creek, Jordan Creek, Pecan Creek, Quiver Creek, Salt Creek, Sleepy Hollow Ditch, Sugar Creek, White Oak Creek
Summit
Buxtom Hill, Hickory Grove Hill
Tower
WDUK-FM (Havana)
Valley
Sleepy Hollow
| Race | Population |
| White |  15,285 |
| Mixed | 75 |
| Asian | 52 |
| Black | 46 |
| American Indian | 45 |
| Hawaiian & Pacific Islander | 0 |
| Additional population tables : | |
| State population table | |
| Illinois population by county | |