Carleton County is located in west-central New Brunswick, Canada.The western border is Aroostook County, Maine, the northern border is Victoria County, and the southeastern border is York County from which it was formed in 1831. The Saint John River bisects the western section of the county. The Southwest Miramichi River flows through the eastern section of the county. Potato farming is a major industry. The scenic town of Hartland is home to the longest covered bridge in the world.Census subdivisionsCommunitiesThere are five incorporated municipalities within Carleton County (listed by 2011 population):First NationsThere is one First Nations reserve in Carleton County (listed by 2011 population):ParishesThe county is subdivided into eleven parishes (listed by 2011 population):DemographicsPopulation trendMother tongue language (2011)Access RoutesHighways and numbered routes that run through the county, including external routes that start or finish at the county limits:Highways Principal Routes Secondary Routes: External Routes: