Barnfordshire - fictional county cricket club in Viz one-off comic strip, The Wicketkeeper Had Tits
Barsetshire – locale of Anthony Trollope's Chronicles of Barsetshire novel series; also used by various other authors
Borsetshire - containing the village of Ambridge, in the BBC's long-running radio drama The Archers
Burton - Earldom near Northumberland on the borders of Scotland and Lancashire, created by Rebecca Gablé
Diddlesex – used in the satirical Punch magazine in the 1840s as the abode of an ex-servant who becomes rich
Downshire – location of the village of St. Mary Mead in The Murder at the Vicarage by Agatha Christie (also stated to be in Radfordshire). Downshire can sometimes refer to the real County Down.
Ffhagdiwedd – County Borough of South East Wales which forms the setting for Waliens, a novel by R.W. Finlan and Darren Bowker-Powis
Glebeshire – the setting of many of Hugh Walpole's novels
Glenshire – location of the seaside resort of Dilmouth in The Body in the Library by Agatha Christie
Loamshire – generic rural English county, home of the Loamshire Regiment; used by George Eliot among other authors. In Donald Jack's play The Canvas Barricade, the butler is the rightful Duke of Loamshire. Kenneth Tynan was critical of a type of play he called 'the Loamshire play', an English middle-class country-house drama. He claimed this was almost the only type of play being written in 1950s Britain.
Mangelwurzelshire – in The Book of Snobs by William Makepeace Thackeray
Markshire – used in Tragedy at Law and An English Murder by Cyril Hare
Mallardshire – setting of one episode of Count Duckula
Melfordshire – location of Market Basing in By the Pricking of My Thumbs by Agatha Christie
Mertonshire – setting of "The Horses of Diomedes" in The Labours of Hercules by Agatha Christie
Middleshire – used as a setting in Red Pottage by Mary Cholmondeley and Hercule Poirot's Christmas and A Murder is Announced by Agatha Christie
Mortshire – used in the works of Edward Gorey
Midsomer – setting of Midsomer Murders
Mummerset - county named for the non-specific West Country accent affected by actors
Naptonshire – setting for Home Defence training simulations of the 1970s, analogous to Northamptonshire
Oatshire – in Paper Lives by Compton Mackenzie; borders North Wessex
Placefordshire – location of the City of Town in the Sky 1 comedy police procedural series A Touch of Cloth
Quantumshire – from Nebulous
Radfordshire – the setting for St. Mary Mead in some of the Miss Marple novels and short stories by Agatha Christie: but also stated to be Downshire. This county is close to or borders the fictional counties of Glenshire, Southshire and Middleshire.
Redshire – represented in a map in the Massively Multiplayer Online Game World of Tanks.
Russetshire – location of the Rumshott estate in Rory Clark's Country Estate series
Rutshire – setting of the Rutshire Chronicles by Jilly Cooper
Shiring - Earldom in Ken Follet's The Pillars of the Earth
Shroudshire – county mentioned in the American sitcom The Munsters
Slopshire – county in the West Country containing Puddleby-on-the-Marsh, home of Doctor Dolittle
Southmoltonshire – rural county containing Rowcester Abbey in the novel Ring for Jeeves by P.G. Wodehouse
South Riding of Yorkshire – setting for South Riding by Winifred Holtby
Stonyshire – adjacent to Loamshire in Adam Bede by George Eliot
Trumptonshire – setting of the interrelated TV series Camberwick Green, Trumpton, and Chigley
Wessex – location of Thomas Hardy's novels
Westershire – setting of Pie in the Sky
Waringham - Earldom in Kent, main location of the Waringham series by Rebecca Gablé
Westshire – setting of Dead Man's Mirror by Agatha Christie and the Inspector Wilkins novels of James Anderson; location of Wandlebury in the novels of D. E. Stevenson
Winshire – setting of The Midwich Cuckoos
Wordenshire – home of The Knight in DC Comics
Worfordshire or South Worfordshire – the setting in English/Welsh borderlands for the novel Blott on the Landscape by Tom Sharpe
Wyvern, containing the city of Holby (based on Bristol), the setting for BBC drama productions Casualty, Holby City, and HolbyBlue
County Ring – From Podge & Rodge: A Scare At Bedtime by Radio Telefís Éireann
Glenarvon – Setting of the Nazi propaganda film The Fox of Glenarvon, located somewhere in the northwest of Galway
Beechum County – setting of the film My Cousin Vinny
Cotton County – location of the film Crazy in Alabama
Greenbow County – in the film Forrest Gump
Maycomb County – setting for Harper Lee's To Kill a Mockingbird
Arrowhead County, containing Cicely, the setting of Northern Exposure. (As Alaska has no counties, later seasons mentioned "the Borough of Arrowhead County".)
Natoosha County, with sheriff Lyle Wallace in the film Convoy.
Balboa County – location of Neptune in Veronica Mars
Beacon County – setting for Teen Wolf
Clark County – setting for Pineapple Express and Superbad
Jackfield County – a rural county in the CBS TV Series Extant.
East Bay County – location of Berkeley in Parenthood (Berkeley is a real city in Alameda County, within the informal East Bay region)
Hill County – setting of the Back to the Future films, includes the towns of Hill Valley, Elmdale and Haysville
Livermore County – setting of some activity in Tom Wolfe's A Man in Full. Represents southeastern Alameda County, California, where Livermore is located.
Oak County – northern coastal county in the Fox Miniseries Gracepoint where the titular town is located.
Calusa County – home base of defense attorney Matthew Hope, created by mystery author Ed McBain
Oklawaha County – setting for Gamble Rogers' songs and stories
Chickasaw County – location used on the television series The Dukes of Hazzard
Dougal County – the rural setting of Squidbillies
Grant County – setting of novels by Karin Slaughter
Hazzard County – setting of the television series The Dukes of Hazzard
Paraquat County – setting of the films The Ugly Dachshund and Smokey Bites the Dust
King County – home of Rick Grimes in The Walking Dead TV series
Linden County – neighbours King County in The Walking Dead TV series
Mert County – county located in an unspecified part of Georgia in The Walking Dead TV series
Pineapple County – mentioned in episodes of Rocket Power, situated on an unspecified island
Raintree County – setting of Ross Lockridge, Jr.'s novel Raintree County
Wamapoke County – location of Pawnee, the setting of Parks and Recreation
Pierce County – rural setting of the 2010 horror film The Crazies. The county seat is the town of Ogden Marsh and is policed by the Pierce County Sheriff's Department. It is located close to Cedar Rapids.
Fillmore County – the rural setting of Jericho
New Kent County – the setting of 'The State' series of novels by Jon Strunk; based on New Kent County, VA.; serves as a stand-in for McCreary County, KY, where Strunk was born.
Crow County – the setting of Silas House's novels Clay's Quilt, A Parchment of Leaves, and The Coal Tattoo
Chinquapin Parish – setting for Steel Magnolias
Renard Parish – setting for True Blood
Belle Reve Parish – a location in the DC Comics Universe that contains the Bell Reve Penitentiary.
Trapingus Parish – primary setting of the 1999 drama The Green Mile.
Sang Tholis Parish – briefly seen in the Cinemax TV series Banshee said to be located close to New Orleans. "Sang" is the French word for "blood", but "tholis" is not a French word.
Castle County – location of Castle Rock and Castle View
Kennebago County - Setting of the film Pet Sematary 2
Ramilly County – F. Scott Fitzgerald's This Side of Paradise
Herndon County – workplace of Ruth Harrison, the contentious reference librarian whose adventures are occasionally featured on A Prairie Home Companion
Ironwood County – the setting for the Ironwood County novels by John Schreiber.
Mist County – the county seat is Garrison Keillor's Lake Wobegon
Blithe Hollow County – setting of the animated film Paranorman
Caldecott County – home of the Marvel Comics character Rogue
Ford County – the setting of many of John Grisham's novels, as well as a collection of short stories
Yoknapatawpha County – in the works of William Faulkner
Huntington County – the setting of the wealthy town of Vlyvalle in Dirk Wittenborn's novel Fierce People; possibly based on Hunterdon County.
Beechum County – location of the jail where Beca is released about the regionals in Pitch Perfect
Mayberry County – setting of Mayberry in The Andy Griffith Show
Cash County – location of Vernon, setting for several mystery novels by former U.S. Senator Fred R. Harris (not to be confused with the real Vernon, Oklahoma)
Johnson County – home of Sgt. Bob Johnson in the film A Canterbury Tale. His grandfather built the first Baptist church in the county.
Wilbur County – rural county in Central Oregon which is the setting for the multi-blog fiction The Germaine Truth by Duane Poncy and Patricia J. McLean
Banshee County – Rural county which serves as the setting of the Cinemax TV series Banshee. The county seat is the town of Banshee, and the county is also home to a large Amish community, the Kinaho Native American reservation and Camp Genoa, a USMC Operating Base. It is policed by the Banshee County Sheriffs Department.
Lantenango County - a fictionalized version of Schuylkill County, and the setting of a number of the novels and many of the short stories of John O'Hara. The county seat of Lantenango County is Gibbsville, which is itself a barely fictionalized version of Pottsville, the actual county seat of Schuylkill County, and O'Hara's home town.
Arlen County – pilot episode of King of the Hill; afterward the name of the county was changed to Heimlich
Belken County – Rio Grande Valley setting of Rolando Hinojosa-Smith's novels of the Klail City Death Trip Series (KCDTS)
Blackwood County – scenes from X-Files: Fight the Future
Braddock County – site of the Southfork Ranch on the TV show Dallas
Castle County – Good Sheriff Tiger's Site Town in A Small Town in Texas
Clarke County – space station in Allen M. Steele's 1990 novel "Clarke County, Space"
Dammering County – Crook Sheriff Duke's Site Town in A Small Town in Texas
Heimlich County – setting of the television series King of the Hill, includes the towns of Arlen and McMaynerbury.
Battenkill County – site of a suspicious violent death in Donna Tartt's novel The Secret History, named after the Battenkill River
Kingdom County – setting of many works by Howard Frank Mosher; approximates the Northeast Kingdom
Faulconer County – a setting of the Starbuck Chronicles by Bernard Cornwell
Jefferson County – setting of the television series The Waltons
Stoolbend County – home to Stoolbend in The Cleveland Show
Wheaton County - setting of Golddiggers: The Secret of Bear Mountain
Whitman County – one of two West Virginia locations (the other being the existing Wyoming County) in Jonathan Franzen's novel Freedom.
Wanker County – rural county in Married... with Children, birthplace of Peg Bundy (née Wanker)
Absaroka County – the rural county policed by Sheriff Longmire in the 2012 TV series Longmire
Bardach County – setting of the 1995 film Se7en, with 'Bardach County Jail' being seen on a prisoners jumpsuit. Likely named after the films costume designer, Elinor Bardach.
Bloom County – rural setting of the comic strip Bloom County and its sequels
Bogen County – home of the Bogen County Fair and the 'Miss Bogen County' beauty pageant, won by "Miss Piggy" in The Muppet Movie
Camden County – setting for television show My Name is Earl
Campbell County – the county where Odyssey is located, on the radio show Adventures in Odyssey
Carburetor County – location of Radiator Springs in Cars; a map shown in a flashback places this in a location similar to Peach Springs, Arizona, but the settlement itself is a composite of places along U.S. Route 66 in multiple states.
Cobblestone County – the home of Bedrock in The Flintstones
Kindle County – the Midwestern setting for most Scott Turow novels
Konoma County – the home of Willie Stark in All the King's Men
Kornfield Kounty – setting of variety show Hee Haw
Mississinewa County – (through which flows the Mississinewa River), in the poems of Jared Carter
Moose County – "400 miles north of everywhere", the setting of Lillian Jackson Braun's Cat Who... stories
Papen County – setting of Pushing Daisies, somewhere in the Pacific Northwest or New England
Seacrest County – setting of Need for Speed: Hot Pursuit (2010 video game), located somewhere along the US West Coast.
Spittle County – rural county from The Simpsons television series. Birthplace and home of Lurleen Lumpkin.
Stevenston County – from Scary Movie
Clarke County, Space – from the novel Clarke County, Space by Allen Steele
List of fictional counties Wikipedia
Fictional counties are created by an author for character placement and story background.