Greendale, Pennsylvania

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Greendale, Pennsylvania

|settlement_type = Unincorporated community

|nickname =

|motto =

|image_skyline =

|imagesize =

|image_caption =

|image_flag =

|image_seal =

|image_map =

|mapsize =

|map_caption =

|image_map1 =

|mapsize1 =

|map_caption1 =

|pushpin_map = Pennsylvania

|pushpin_label = Greendale

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Pennsylvania

|subdivision_type2 = County

|subdivision_name2 = Armstrong

|subdivision_type3 = Township

|subdivision_name3 = Valley

|government_footnotes =

|government_type =

|leader_title =

|leader_name =

|leader_title1 =

|leader_name1 =

|established_title =

|established_date =

|unit_pref =

|area_footnotes =

|area_magnitude =

|area_total_km2 =

|area_land_km2 =

|area_water_km2 =

|area_total_sq_mi =

|area_land_sq_mi =

|area_water_sq_mi =

|population_as_of =

|population_footnotes =

|population_total =

|population_density_km2 =

|population_density_sq_mi =

|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

|elevation_footnotes =

|elevation_m =

|elevation_ft = 1066

|coordinates = {{coord|40|48|19|N|79|23|13|W|region:US-PA|display=inline,title}}

|postal_code_type = ZIP code

|postal_code =

|area_code =

|blank_name = GNIS feature ID

|blank_info = 1176143{{cite gnis|1176143|Greendale}}

|blank1_name =

|blank1_info =

|website =

|footnotes =

}}

Greendale is an unincorporated community in Valley Township, Armstrong County, Pennsylvania, United States.