  hartley is a census-designated place (cdp) in hartley county, texas, united states. the population was 540 at the 2010 census. ==history== in 1832, john charles beales and jose manuel royella were granted the section where hartley is now located under colonization laws of mexico and texas. they represented the arkansas and texas land company; however, they failed to colonize this territory and they forfeited their rights. in 1875, the texas legislature passed an act which allowed contractors to clear one mile of the river sabine, angeline, and neches, and the pine island bayou in exchange for land grants. the contractors were required to survey the land, return field notes to the land commissioner and 
Census-designated_places_in_Texas