| Rehrersburg, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Rehrersburg |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Berks |
| Subdivision Type3: | Township |
| Subdivision Name3: | Tulpehocken |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.36 |
| Area Land Km2: | 0.36 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 322 |
| Population Density Km2: | 897.00 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 581 |
| Coordinates: | 40.4575°N -76.2444°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 19550 |
| Area Code: | 717 |
| Blank Name: | FIPS code |
| Blank Info: | 42-64056 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1184867 |
| Area Total Sq Mi: | 0.14 |
| Area Land Sq Mi: | 0.14 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 2316.55 |
Rehrersburg is a census-designated place[3] in Tulpehocken Township in northwestern Berks County, Pennsylvania, United States, near Pennsylvania 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.[4]
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.