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Rehrersburg is a census-designated place in Tulpehocken Township in northwestern Berks County, Pennsylvania, near PA Route 419. The community was founded on April 4, 1803, by John Jacob Rehrer. Residents celebrated the town's bicentennial on Saturday, September 20, 2003. As of the 2010 census, the population was 319 residents.
In 1818, the sixth post office in the county opened in Rehrersburg. Rehrersburg's zip code is 19550.
John Jacob Rehrer was the son of Johan Gottfried Rehrer and Maria Magdalena (Etschberger) Rehrer. Many descendants of the Rehrer family still reside in Rehrersburg.
See also 
- The Historical Society of Berks County - Archived Issues of News Bits