| Grindstone, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Nickname: | Ava Renee Johnson |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Label: | Grindstone |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Fayette |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Jefferson, Redstone |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.41 |
| Area Land Km2: | 3.41 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 489 |
| Population Density Km2: | 143.61 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 833 |
| Coordinates: | 40.0172°N -79.8314°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 15442 |
| Blank Name: | FIPS code |
| Blank Info: | 42-31592 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1176245 |
| Area Total Sq Mi: | 1.31 |
| Area Land Sq Mi: | 1.31 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 371.86 |
Grindstone is an unincorporated community and census-designated place that is located in Jefferson and Redstone townships, in Fayette County, Pennsylvania, United States. The community was part of the Grindstone-Rowes Run CDP before it was split into two separate CDPs for the 2010 census. In 2010, the population was 498.[3]
The ZIP code for this community is 15442.
Grindstone is primarily located in southern Jefferson Township but extends south across Redstone Creek into the northern part of Redstone Township. It is bordered to the southeast by the community of Rowes Run.
Fayette City is to the north, and Uniontown, the Fayette County seat, is to the southeast. Brownsville is 4miles to the west.
As of the 2020 U.S. Census, this town's population was 489.[4]