McHenry County Illinois - Government Site
Population: 312,373
Area: 604 square miles
County Seat: Woodstock
Area Code(s) in use: 815 847
Time Zone: CST
Adjacent counties:
Boone Cook Dekalb Kane Kenosha (WI) Lake Walworth (WI)
Airport
Hebron Airport, Kirkpatrick Airport, Lake in the Hills Airport, Richardsons Landing Strip
Bay
Pistakee Bay
Beach
Indian Trail Beach, Wonder Center Beach
Building
Canterbury Place Retirement Home, Cary Village Hall, Crystal Lake City Hall, Crystal Lake Public Library, Delos F Diggins Public Library, Grafton Township Hall, Harvard City Hall, Harvard Historical Museum, Holiday Hills City Hall, Illinois Railway Museum, Lake in the Hills Village Hall, Lakemoor City Hall, Lakewood Village Hall, Marengo City Hall, Marengo Public Library, McCullom Lake Village Hall, McHenry - Nunda Township Public Library, McHenry County Courthouse, McHenry Township Fire Station Number 3, Old Courthouse Arts Center, Old McHenry County Courthouse, Sunnyside Village Hall, Woodstock City Hall, Woodstock Opera House, Woodstock Public Library
Canal
Lily Lake Drain
Cemetery
Alden Cemetery, Algonquin Cemetery, Allen Cemetery, Bandow Cemetery, Barber Cemetery, Big Foot Cemetery, Bluff City Cemetery, Bochemian Cemetery, Boies Cemetery, Calvary Cemetery, Carmack Cemetery, Carr-Harrison Cemetery, Cary Cemetery, Cary Cemetery, Catholic Cemetery, Catholic Cemetery, Cedarvale Cemetery, Centerville Cemetery, Chemung-Dunham Cemetery, Chermung Cemetery, Chunn Cemetery, Cole Cemetery, Coral Cemetery, Crystal Lake Cemetery, Crystal Lake Memorial Park, Dietz School Cemetery, Dufield Cemetery, Dygert Burying Ground, English Prairie Cemetery, Fairview Cemetery, Franklinville Cemetery, Free Methodist Church Cemetery, George W Dana Cemetery, Greenwood Cemetery, Haeger Cemetery, Halligus School Cemetery, Harmony Cemetery, Harrison Carr Cemetery, Hartland Union Burying Ground, Harvard Cemetery, Heaven City Burial Ground, Hebron Cemetery, Herrick Burying Ground, Hoffman Cemetery, Holcombville Cemetery, Hopkins Cemetery, Huntlet Cemetery, Jerome Cemetery, Keyston Cemetery, Lawrence Cemetery, Linn-Hebron Cemetery, Marengo Cemetery, Marengo City Cemetery, McHenry County Cemetery, McHenry Village Cemetery, McMillan Cemetery, Memorial Park Cemetery, Methodist Church Cemetery, Mount Auburn Cemetery, Mount Hope Cemetery, Mount Tabor Cemetery, Mount Thabor Cemetery, Mullins Cemetery, Murphy Cemetery, North Solon Cemetery, Norwegian Cemetery, Oakland Cemetery, Oaklawn Cemetery, Oakwood Cemetery, Old Marengo Cemetery, Old Saint Patricks Cemetery, Ortend Cemetery, Orvis Cemetery, Overton Cemetery, Parker Cemetery, Parks Cemetery, Pioneer Cemetery, Pioneer Cemetery, Pleasant Grove Cemetery, Prairie Grove Cemetery, Queen Anne Cemetery, Richards Cemetery, Richmond Cemetery, Ridgefield Cemetery, Riley Center Memorial, Ringwood Cemetery, Sacred Heart Cemetery, Saint Johns Cemetery, Saint Joseph Cemetery, Saint Josephs Cemetery, Saint Marys Cemetery, Saint Marys Cemetery, Saint Patricks Cemetery, Saint Patricks Cemetery, Saint Patricks Cemetery, Saint Peters Cemetery, Sanborn Cemetery, Scandinavian Cemetery, Smith Cemetery, Solon Mills Cemetery, South Dunham Cemetery, South Grafton Cemetery, South Hebron Cemetery, Sprind Grove Cemetery, Stevens Cemetery, Stewart's Burying Ground, Stone School Cemetery, Storm Cemetery, Thomas Burying Ground, Torbert Cemetery, Union Cemetery, Union Cemetery, Union Cemetery, Union Cemetery, Unity Cemetery, Walton Burying Ground, Washington Cemetery, West Marengo Cemetery, White Cemetery, Windridge Cemetery, Wingrove Cemetery, Woodland Cemetery, Woodstock Cemetery, Wray-Imeson Cemetery
Channel
Union Cemetery
Church
Bethany Lutheran Church, Bohemian Church, Calvary Assembly of God Church, Cary United Methodist Church, Cary-Grove Evangelical Free Church, Christ Episcopal Church, Christian Fellowship Church, Church of Christ, Church of Saint Mary of the Assumption, Congregational Church of Algonquin, Congregational Universalist Church of Woodstock, Crystal Lake Christian Church, Crystal Lake Church of the Nazarene, Evangelical Free Church of McHenry, Faith Presbyterian Church, First Baptist Church, First Baptist Church, First Baptist Church, First Baptist Church, First Church of Christ Scientist, First Church of Christ Scientist, First Church of Christ Scientist, First Congregational Church, First Presbyterian Church, First Presbyterian Church, First United Methodist Church, First United Methodist Church, First United Methodist Church, First United Pentecostal Church, Fox Valley Christian Reformed Church, Free Methodist Church, Grace Evangelical Lutheran Church, Harvard Bible Church, Holy Cross Lutheran Church, Hope Covenant Church, Immanuel Lutheran Church, Kingdom Hall of Jehovahs Witnesses, Light of Christ Lutheran Church, Lord and Savior Evangelical Lutheran Church, Marengo United Methodist Church, McHenry County Jewish Congregation, McHenry Full Gospel Church, Meadowland Community Church, Mount Hope United Methodist Church, Muller Chapel, Nativity Church, Presbyterian Church of Woodstock, Prince of Peace Lutheran Church, Ridgefield-Crystal Lake Presbyterian Church, Sacred Heart Catholic Church, Saint Anns Episcopal Church, Saint Barnabas Lutheran Church, Saint Elizabeth Ann Seton Catholic Church, Saint John Lutheran Church, Saint Johns Lutheran Church, Saint Joseph Catholic Church, Saint Josephs Church, Saint Margaret Mary Roman Catholic Church, Saint Mary Catholic Church, Saint Mary Episcopal Church, Saint Marys Chapel, Saint Marys Roman Catholic Church, Saint Patricks Church, Saint Patricks Roman Catholic Church, Saint Pauls United Church of Christ, Saint Peter Church, Saint Thomas the Apostle Catholic Church, Saints Peter and Paul Catholic Church, The Church of Jesus Christ of Latter Day Saints, Trinity Baptist Community Church, Trinity Lutheran Church, United Methodist Church of Fox River Grove, Unity Church of Crystal Lake, Woodstock Assembly of God Church, Woodstock Bible Church, Woodstock Christian Church, Zion Lutheran Church, Zion Lutheran Church
Civil
McHenry County, Township of Alden, Township of Algonquin, Township of Burton, Township of Chemung, Township of Coral, Township of Dorr, Township of Dunham, Township of Grafton, Township of Greenwood, Township of Hartland, Township of Hebron, Township of Marengo, Township of McHenry, Township of Nunda, Township of Richmond, Township of Riley, Township of Seneca
Dam
Eddy Lake Dam, Island Lake Dam, Kazimier Lake Dam, Kingsley Lake Dam, Lake in the Hills Dam, Lake in the Hills Dam Number 2, McHenry Lock and Dam, McHenry Locks, Mississippi Lock Number 019, Silver Lake Dam, South Lake Dam, Thunderbird Lake Dam Number 1, Thunderbird Lake Dam Number 2, Wold Lake Dam, Wonder Lake Dam
Hospital
Ambutal Hospital Trauma Center, Harvard Community Memorial Hospital, McHenry Hospital, Memorial Medical Center, Northern Illinois Medical Center
Island
Coon Islands, Halfmoon Islands
Lake
Crystal Lake, Defiance Lake, Elizabeth Lake, Griswold Lake, Lac Louette, Lake Killarney, Lily Lake, McCullom Lake, Pistakee Lake, Thunderbird Lake, Tomahawk Lake, Wilderness Lake
Locale
Alexander Industrial Park, Boone Creek Golf Course, Boulder Ridge Golf Course, Cary Commons Shopping Center, Cary Country Club, Cary Square Shopping Center, Chapel Hill Country Club, Country Commons Shopping Center, Country Corners Shopping Center, Coventry Plaza Shopping Center, Crystal Court Shopping Center, Crystal Lake Business Center, Crystal Lake Country Club, Crystal Lake Plaza Shopping Center, Crystal Point Mall Shopping Center, Crystal Woods Golf Club, D and S Industrial Park, Dartmoor Plaza Shopping Center, Eagle Country Market Center Shopping Center, Golf Club of Illinois, Hebron Tower (historical), Hickory Ridge Day Use Area, Kettle Woods Day Use Area, Lake Defiance Day Use Area, Lakewood Golf Club, Mchenry Country Club, McHenry Market Place Shopping Center, Northern Lakes Day Use Area, Northups Mill (historical), Oak Street Plaza Shopping Center, Pike Marsh Day Use Area, Pine Hills Day Use Area, Pinecrest Country Club, Pistakee Golf Course, Pleasant Valley Camp, Plum Tree Country Club, Prairie Isle Golf Club, River Pointe Shopping Center, Stonehill Shopping Center, Terrace Hill Golf Course, The Commons of Crystal Lake Shopping Center, Three Oaks Industrial Park, Todec Industrial Park, Towne Center Shopping Center, Turnberry Country Club, Twin Ponds Golf Course, Virginia Plaza Shopping Center, Whitetail Prairie Day Use Area, Wilderness Lake Day Use Area, Woodstock Country Club
Park
Barbara Key Park, Bates Fen Nature Preserve, Big Sky Park, Butternut Preserve, Candlewood Park, Canterbury Park, Cary Junior High Prairie Nature Preserve, Center Street Park, Central Park, College Park, Cotton Creek Marsh Nature Preserve, Coventry Park, Creekside Park, Crystal Lake Park, Deicke Park, Della Park, Depot Park, East Beach Park, Echo Hill Park, Edgewater Park, Elizabeth Lake Nature Preserve, Emricson Park, Esmeralda Park, Exner Marsh Nature Preserve, Feinburg Park, Fetzner Park, Ford School Park, Four Colonies Park, Foxmoor Park, Foxridge Park, Frazier Park, Freund Field, Gaslight Park, Glacial County Park, Glacial Park Nature Preserve, Harrison-Benwell County Park, Highlands Park, Hill Farm Park, Hillhurst Park, Hillside Prairie Park, Hipskind Park, Holder Memorial Park, Hollows Park, Horner Park, Indian Prairie Park, Indian Ridge County Park, Indian Ridge Park, Jacobson Park, Jamesway Park, Jaycee Park, Ken Bird Park, Kettle Moraine Nature Preserve, Killarney Park, Kishwaukee Fen Nature Preserve, Kishwaukee Park, Kiwanis Tot Lot, Knaack Park, Knox Park, Ladd Park, Lake-In-The-Hills Fen Nature Preserve, Lakeland Park, Lappins Park, Lions Park, Lions Park, Lippold Park, Mary D Ayer Park, McCormick Park, McCracken Athletic Field, Mchenry County Fair Grounds, McHenry Park, Miller Riverfront Park, Moraine Hills State Park, Morningside Park, Nippersink Canoe Base County Park, Oakwood Hills Fen Nature Preserve, Ol Timers Park, Olson Park, Park Lane Nature Park, Parker Fen Nature Preserve, Peterson Park, Prairie Ridge Conservation Area, Presidential Park, Raintree Park, River Front Park, Robert Leathers Playground, Rush Creek Conservation Area, Ryder Park, Ryders Wood Park, Seminary Park, Silver Creek Park, Snapper Field Park, South Beach Park, Spoerl Park, Spring Grove Fen Nature Preserve, Sterne's Fen Nature Preserve, Sternes Woods Park, Thomas Memorial County Park, Towne Park, Trout Valley Park, Veterans Acres Park, Vietnam Memorial Park, Walkup Woods Park, Walsh Park, Weber's Park, Weingart Road Sedge Meadow Nature Preserve, West Beach Park, West Park, Whispering Oaks Park, William H Althoff Park, Winding Creek Park, Windwood Park, Wingate Prairie Nature Preserve, Woodstock Square Historic District, Yellowstone Park
Populated Place
Alden, Algonquin, Armsby (historical), Barnard Mill (historical), Barreville, Barrington Hills, Belden, Big Foot Prairie, Bull Valley, Burtons Bridge, Camp Algonquin, Cary, Chemung, Colby Point, Coral, Coyne, Crystal Gardens, Crystal Lake, Crystal Manor, Crystal Vista, Eastwood Manor, Emerald Park, Ferndale, Fox River Grove, Fox River Shores, Franklinville, Greenwood, Haegers Bend, Harmony, Hartland, Harvard, Hebron, Highland Prairie (historical), Holcombville Corners, Holiday Hills, Huntley, Johnsburg, Lake in the Hills, Lakemoor, Lakewood, Lawrence, Lilymoor, Marengo, McCullom Lake, McHenry, McHenry Shores, North Shore, Oakbrook Estates Mobile Home Park, Oakwood Hills, Palm Beach, Pistakee, Pistakee Highlands, Port Barrington, Prairie Grove, Rawson Bridge, Richmond, Ridgefield, Riley, Ringwood, Riverstream, Silver Lake, Ski Hill, Solon Mills, Spring Grove, Sunnyside, Sunrise Ridge, Terra Cotta, Trout Valley, Turner Camp, Union, Wonder Center, Wonder Lake, Woodstock
Post Office
Crystal Lake Post Office, English Prairie Post Office (historical), Harvard Post Office, Huntley Post Office, McHenry Post Office, Ostend Post Office (historical), South Riley Post Office (historical), Spring Grove Post Office, Woodstock Post Office
Reservoir
Eddy Lake, Fox River Reservoir, Kazimier Lake, Kingsley Lake, Lake in the Hills, Lake in the Hills Number 2, Silver Lake, South Lake, Thunderbird Lake, Vulcan Lakes, Wold Lake, Wonder Lake
School
Alden-Hebron High School, Algonquin Middle School, Algonquin Road Elementary School, Anthony School (historical), Barrows School (historical), Bayrd School (historical), Bordwell School (historical), Briargate Elementary School, Brookdale School (historical), Browntown, Burgett School (historical), Burr Oak School (historical), Burtons Bridge School, Butler School (historical), Canterbury Elementary School, Carmack School (historical), Cary Junior High School, Cary-Grove Community High School, Cash School (historical), Central School, Charles School (historical), Cherry Valley School (historical), Clarence Olson Junior High School, Clay Street Elementary School, Clemens School (historical), Cold Springs School (historical), Cooney School (historical), County Line School (historical), Coventry School, Creek School (historical), Crystal Lake Central High School, Crystal Lake South High School, Dean Street Elementary School, Deep Cut School (historical), Delehanty School (historical), Diggins School (historical), Driver School (historical), Dunham School (historical), Eastview Elementary School, Edgebrook Elementary School, English Prairie School, Evergreen School (historical), Fay School (historical), Ford School (historical), Fosdick School (historical), Fox River Grove Junior High School, Fox Valley Christian School, Fuller School (historical), Glass School (historical), Gregory School (historical), Haeger School (historical), Harrison Elementary School, Harry D Jacobs High School, Harvard High School, Harvard Junior High School, Hawthorne Elementary School, Heath School (historical), Hickory Grove School (historical), Hilltop Elementary School, Holcombville School (historical), Howe School (historical), Hughes School (historical), Huntley Elementary School, Huntley High School, Husmann Elementary School, Immanuel School, Island School (historical), James C Bush Elementary School, Java School (historical), Jefferson School, Johnsburg High School, Johnsburg Junior High School, Johnsburg Middle School, Kanaly School (historical), Kenneth E Neubert Elementary School, Keystone School (historical), King School (historical), Kingsley School (historical), Lake in the Hills Elementary School, Landmark Elementary School, Locust Elementary School, Lowe School (historical), Lucas School (historical), Lundahl Junior High School, Lyons School (historical), MacGovern School (historical), Manley School (historical), Maple Square School (historical), Maplewood Elementary School, Marengo High School, Marian Central Catholic High School, McConnell School (historical), McHenry County College, McHenry High School-East Campus, McHenry High School-West Campus, McHenry Junior High School, McManaman School (historical), Montelona School (historical), Mortini Middle School, Mortini Primary School, Munshawville School (historical), Newman School (historical), Nolan School (historical), North Dunham School (historical), North Elementary School, North Junior High School, Northwood Elementary School, Northwood Junior High School, O'Rourke School (historical), Oak Glen School (historical), Oak Grove School (historical), Oak Grove School (historical), Oak Grove School (historical), Oak Knoll Elementary School, Olcott School (historical), Ostend School (historical), Parkland Junior High School, Pleasant Ridge School (historical), Pleasant Valley School (historical), Poyer School (historical), Prairie Grove Elementary School, Prairie Ridge High School, Prairie School (historical), Pringle School (historical), Queen Anne School (historical), Richmond Consolidated Elementary School, Richmond-Burton High School, Ridgefield School, Riley Community Consolidated School, Ringwood Elementary School, Saint Joseph School, Saint Joseph Seminary, Saint Margaret Mary School, Saint Marys School, Saint Marys Seminary, Saint Thomas School, Saints Peter and Paul School, School Number 48 (historical), School Number 81 (historical), School Number 82 (historical), School Number 83 (historical), School Number 84 (historical), School Number 86 (historical), Sewald School (historical), Sherman School (historical), Shields School (historical), Silver Spring School (historical), South Dunham School (historical), South Elementary School, South Prairie School (historical), South Riley School (historical), Spring Grove Elementary School, State Line School (historical), Stone School (historical), Stones Corner School (historical), Teple School (historical), Terra Cotta School, Thayer School (historical), Thorne School (historical), Tryons Grove School (historical), Valley View Elementary School, Vanderkar School (historical), Vermont School (historical), Walkup School (historical), Washington School, Washington School (historical), West Elementary School, West Harmony School (historical), Westwood Elementary School, White Oak School (historical), Wienke School (historical), Williamson School (historical), Wilson School (historical), Woodstock High School, Zion Evangelical Lutheran School, Zion Lutheran School
Stream
Bogers Brook, Boone Creek, Cary Creek, Cotton Creek, Crystal Lake Outlet, Dutch Creek, Mokeler Creek, Nippersink Creek, Nippersink Creek, Nippersink Creek, North Branch Kishwaukee River, North Branch Nippersink Creek, North Branch Nippersink Creek, North Branch Nippersink Creek, Rush Creek, South Branch Kishwaukee River, Spring Creek, West Branch Piscasaw Creek
Summit
Bald Knob, Hill Fifteen
Swamp
Cotton Creek Marsh, Leatherleaf Bog, Lily Lake, Pike Marsh, Streets Lake, Turnberry Wetlands, Warrior Marsh
Tower
WAIT-AM (Crystal Lake), WAIT-FM (Woodstock), WMCW-AM (Harvard)
Trail
Fox River Trail, Lake Defiance Nature Trail, Lake Defiance Trail, Leather Leaf Bog Trail
Woods
Becks Woods
| Race | Population |
| White |  297,748 |
| Asian | 8,202 |
| Black | 3,160 |
| Mixed | 2,531 |
| American Indian | 643 |
| Hawaiian & Pacific Islander | 89 |
| Additional population tables : | |
| State population table | |
| Illinois population by county | |