 garfield county is a county located in the u.s. state of montana. as of the 2010 census, the population was 1,206. its county seat is jordan. garfield county is noteworthy as the site of the discovery and excavation of four of the world's dozen or so major specimens (as of 1994) of tyrannosaurus rex within the county. a cast of the skull of one of these dinosaurs is on display at the garfield county museum.david quammen, "local bird makes good" (1995), collected in the boilerplate rhino (2000), isbn 0-684-83728-5 ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (3.6%) is water. its average population density of 0.1058 inhabitants/kmÂ² (0.274/sq mi) is the third-lowest of any county outside of alaska (behind loving county, texas and esmeralda county, nevada). ===major highways=== * montana highway 22 *20px montana highway 59 *20px montana highway 24 ===adjacent counties=== * phillips county, montana - northwest * valley county, montana - north * mccone county, montana - east * prairie county, montana - east * custer county, montana - southeast * rosebud county, montana - south * petroleum county, montana - west ===national protected area=== *charles m. russell national wildlife refuge (part) ==demographics==  as of the census{{cite web|url=http://factfinder2.census.
1919_establishments_in_Montana Garfield_County,_Montana Montana_counties Populated_places_established_in_1919