| Slatedale, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Slatedale |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of Slatedale in Pennsylvania##Location in the United States |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Lehigh |
| Subdivision Type3: | Township |
| Subdivision Name3: | Washington |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.77 |
| Area Land Km2: | 0.77 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2010 |
| Population Footnotes: | [2] |
| Population Total: | 455 |
| Population Density Km2: | 590.0 |
| Population Metro: | 865,310 (US: 68th) |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 501 |
| Coordinates: | 40.7444°N -75.6567°W |
| Postal Code Type: | ZIP Codes |
| Postal Code: | 18079, 18080 |
| Area Code: | 610 and 484 |
| Blank Name: | FIPS code |
| Blank Info: | 42-71080 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1187788 |
Slatedale is an unincorporated community and census-designated place (CDP) in Washington Township in Lehigh County, Pennsylvania. As of the 2010 census, it had a population of 455.[2] It is part of the Lehigh Valley, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
Slatedale is in northern Lehigh County, west of the center of Washington Township. It is 3miles west of the borough of Slatington and northwest of Allentown, the county seat and the third most populous city in Pennsylvania. Both Slatedale and Slatington are named after the large amount of slate found in the area.
According to the U.S. Census Bureau, Slatedale has a total area of 0.8sqkm, of which 2464order=flipNaNorder=flip, or 0.32%, are water.[1] Trout Creek forms the southern border of the community and flows east to the Lehigh River in Slatington. Blue Mountain rises 2miles to the north.
Slatedale is served by the Citizen's Fire Co #1 in Slatedale for fire protection and Northern Valley EMS for ambulance services. While it has its own box post office with the ZIP Code of 18079, surrounding areas use the Slatington ZIP Code of 18080.