Reading, PENNSYLVANIA - City Park - Entrance - 1908: Reading is a city in and the county seat of Berks County, Pennsylvania, in the United States. With a population of 95,112 as of the 2020 census, it is the fourth-largest city in Pennsylvania after Philadelphia, Pittsburgh, and Allentown. Located in the southeastern part of the state, it is the principal city of the Greater Reading Area, home to 420,152 residents. The city is part of the Delaware Valley. The city, which is approximately halfway between the state's most populous city, Philadelphia, and the state capital, Harrisburg, is attractively situated along a major transportation route from Central to Eastern Pennsylvania, and lent its name to the now-defunct Reading Railroad, which transported anthracite coal from the Pennsylvania Coal Region to the eastern United States via the Port of Philadelphia. This Undivided Back Era postcard, mailed in 1908, is in good condition. American News Company. New York. No. A 1861.