The link I put up in my earlier post listed the counties and towns with the densest hatches >
Pennsylvania Counties: Allegheny, Armstrong, Beaver, Butler, Clarion, Indiana, Lawrence, Venango, Washington, Westmoreland.
Pennsylvania Cities: Apollo, Baden, Beaver, Burgettstown, Center Township, Cheswick, Chippewa, Cranberry, Economy Boro, Ellwood City, Fawn Township, Finnleyville, Freedom, Gilpin, Greensburg, Harmony, Hopewell, Indiana, Midland, Natrona Heights, New Brighton, Pittsburgh, Robinson Township, Rochester, Sewickley, Shelocta, West Deer, and more.
Link to source >https://www.cicadamania.com/cicadas/brood-viii-will-emerge-in-2019-in-pennsylvania-ohio-and-west-virginia/