 oliver is a census-designated place (cdp) in fayette county, pennsylvania, united states. the population was 2,925 at the 2000 census. oliver is located in north union township. ==geography== oliver is located at  (39.914359, -79.717139). according to the united states census bureau, the cdp has a total area of , all of it land. ===climate=== the climate in this area has mild differences between highs and lows, and there is adequate rainfall year round. according to the kÃ¶ppen climate classification system, oliver has a marine west coast climate, abbreviated "cfb" on climate maps.climate summary for oliver, pennsylvania ==demographics== as of the census of 2000, there were 2,925 people,
Census-designated_places_in_Fayette_County,_Pennsylvania Census-designated_places_in_Pennsylvania Pittsburgh_metropolitan_area